Tractor Spark

TUNE UP KIT OLIVER 550 TRACTOR POINTS SPARK PLUGS ROTOR
TUNE UP KIT OLIVER 550 TRACTOR POINTS SPARK PLUGS ROTOR
$15.99
Time Remaining: 27d 17h 55m
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Ford Tractor Tune Up Kit With Spark Plugs 9N 2N 8N
Ford Tractor Tune Up Kit With Spark Plugs 9N 2N 8N
$22.00
Time Remaining: 1d 15h 39m
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Box of 4 Spark Plugs Autolite 216 for 9N 8N Ford Tractors Medium Heat
Box of 4 Spark Plugs Autolite 216 for 9N 8N Ford Tractors Medium Heat
$8.95
Time Remaining: 29d 13h 15m
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Box of 4 Spark Plugs Autolite 437 for 2N 8N 9N Ford Tractors Hot Heat
Box of 4 Spark Plugs Autolite 437 for 2N 8N 9N Ford Tractors Hot Heat
$8.95
Time Remaining: 8d 9h 16m
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SPARK PLUG SET OLIVER 550 SUPER 55 TRACTOR AUTOLITE 386
SPARK PLUG SET OLIVER 550 SUPER 55 TRACTOR AUTOLITE 386
$9.99
Time Remaining: 1d 24m
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FORD 8N TRACTOR CUSTOM SPARK PLUG WIRE SET 8N12259
FORD 8N TRACTOR CUSTOM SPARK PLUG WIRE SET 8N12259
$17.95
Time Remaining: 25d 17h 27m
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Spark Plug Wire Set Allis Chalmers 4 Cylinder Tractors
Spark Plug Wire Set Allis Chalmers 4 Cylinder Tractors
$12.95
Time Remaining: 12d 10h 29m
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Champion D15Y 18mm Spark Plug for Farmall Tractors
Champion D15Y 18mm Spark Plug for Farmall Tractors
$3.25
Time Remaining: 17d 5h 1m
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Spark Plug Wire Set for Ford 4 Cylinder Tractors
Spark Plug Wire Set for Ford 4 Cylinder Tractors
$12.95
Time Remaining: 14d 3h 32m
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5ft Cloth Spark Plug Wire 7mm Orange Maytag Hit  Miss gas engine tractor cycle
5ft Cloth Spark Plug Wire 7mm Orange Maytag Hit Miss gas engine tractor cycle
$10.50
Time Remaining: 2d 8h 44m
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VTG Champion Spark Plugs Tractor Tips Manual
VTG Champion Spark Plugs Tractor Tips Manual
$11.75
Time Remaining: 6d 23h 18m
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Ford Tractor 8N Engine Spark Plug Wire Holder Original
Ford Tractor 8N Engine Spark Plug Wire Holder Original
$6.00 (1 Bid)
Time Remaining: 9h 18m

Spark Plugs Box of 4 for Case Tractors Autolite 3116 Medium Hot Range
Spark Plugs Box of 4 for Case Tractors Autolite 3116 Medium Hot Range
$8.95
Time Remaining: 14d 3h 32m
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Ford Tractor Spark Plug Set New 9N 2N 8N NAA  Others
Ford Tractor Spark Plug Set New 9N 2N 8N NAA Others
$15.49
Time Remaining: 8d 17h 6m
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Spark Plug Wire Grommet for 8N Ford Tractors USA MADE
Spark Plug Wire Grommet for 8N Ford Tractors USA MADE
$4.95
Time Remaining: 14d 3h 32m
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Spark Plug Wire Set for Farmall 4 Cylinder Tractors
Spark Plug Wire Set for Farmall 4 Cylinder Tractors
$12.95
Time Remaining: 1d 9h 48m
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Spark Plug Wire Retainer 8N Ford Tractors USA MADE
Spark Plug Wire Retainer 8N Ford Tractors USA MADE
$2.95
Time Remaining: 14d 3h 32m
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Spark Plug Wire Set for Ford Tractors CPN12259B
Spark Plug Wire Set for Ford Tractors CPN12259B
$14.95
Time Remaining: 20d 5h 5m
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Spark Plug Wire Set Harry Ferguson 4 Cylinder Tractors
Spark Plug Wire Set Harry Ferguson 4 Cylinder Tractors
$12.95
Time Remaining: 5d 14h 31m
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5FT Spark Plug Wire with Terminals  Thumb Nuts Gas Engine Hit  Miss JD Tractor
5FT Spark Plug Wire with Terminals Thumb Nuts Gas Engine Hit Miss JD Tractor
$12.50
Time Remaining: 7d 23h 32m
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Spark Plug Wire Set for Case 4 Cylinder Tractors
Spark Plug Wire Set for Case 4 Cylinder Tractors
$12.95
Time Remaining: 20d 15h 37m
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Ford Tractor Spark Plug Wire Set CPN12259
Ford Tractor Spark Plug Wire Set CPN12259
$19.00
Time Remaining: 1d 15h 50m
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Spark Plugs Box of 4 for Farmall Tractors Autolite 388 HOT Range
Spark Plugs Box of 4 for Farmall Tractors Autolite 388 HOT Range
$8.95
Time Remaining: 1d 9h 48m
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Spark Plugs Box of 4 for Farmall Tractors Autolite 386 Medium Hot Range
Spark Plugs Box of 4 for Farmall Tractors Autolite 386 Medium Hot Range
$8.95
Time Remaining: 20d 6h 34m
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SPARK PLUG WIRE SET 4 CYLINDER COPPER CORE 30 IGNITION BOOT CLIP TRACTOR ENGINE
SPARK PLUG WIRE SET 4 CYLINDER COPPER CORE 30 IGNITION BOOT CLIP TRACTOR ENGINE
$16.99
Time Remaining: 7d 22h 53m
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GIBSON TRACTOR MAGNETO WISCONSIN ENGINE WICO XH150 VERY HOT BLUE SPARK
GIBSON TRACTOR MAGNETO WISCONSIN ENGINE WICO XH150 VERY HOT BLUE SPARK
$100.00
Time Remaining: 21d 11h 14m
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Spark Plugs Box of 4 for John Deere 520 530 620 630 720 730 Tractors
Spark Plugs Box of 4 for John Deere 520 530 620 630 720 730 Tractors
$8.95
Time Remaining: 3d 16h 8m
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Spark Plug Wire Set for Oliver 6 Cylinder Tractors
Spark Plug Wire Set for Oliver 6 Cylinder Tractors
$14.95
Time Remaining: 6d 4h 50m
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Spark Plug Wire Set Massey Feguson 4 Cylinder Tractors
Spark Plug Wire Set Massey Feguson 4 Cylinder Tractors
$12.95
Time Remaining: 14d 13h 4m
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Universal Spark Plug Wire Set for 4 Cylinder Tractors
Universal Spark Plug Wire Set for 4 Cylinder Tractors
$12.95
Time Remaining: 28d 11h 31m
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Spark Plugs Box of 4 Massey Harris Tractors Autolite 386 Medium Hot Range
Spark Plugs Box of 4 Massey Harris Tractors Autolite 386 Medium Hot Range
$8.95
Time Remaining: 3d 15h 36m
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Ford Tractor Tune Up Kit With Spark Plugs
Ford Tractor Tune Up Kit With Spark Plugs
$22.00
Time Remaining: 2d 15h 2m
Buy It Now for only: $27.00

5FT Spark Plug Wire Briggs Maytag Gas Engine Hit  Miss Tractor
5FT Spark Plug Wire Briggs Maytag Gas Engine Hit Miss Tractor
$9.50
Time Remaining: 18d 6h 30m
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Spark Plugs 4 for Minneapolis Moline Tractors
Spark Plugs 4 for Minneapolis Moline Tractors
$8.95
Time Remaining: 17d 11h 2m
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FORD TRACTOR spark plug wire set NAA 600 700 800 900 NAB JUBILEE 4040 4120 901
FORD TRACTOR spark plug wire set NAA 600 700 800 900 NAB JUBILEE 4040 4120 901
$17.00
Time Remaining: 15d 5h 57m
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Spark Plugs 4 Massey Ferguson TEA20 and FE35 Tractors Autolite 425
Spark Plugs 4 Massey Ferguson TEA20 and FE35 Tractors Autolite 425
$8.95
Time Remaining: 2d 13h 12m
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Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
$8.00
Time Remaining: 3d 6h 10m
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SPARK PLUG WIRE SET 6 CYLINDER COPPER CORE 30 IGNITION BOOT CLIP TRACTOR ENGINE
SPARK PLUG WIRE SET 6 CYLINDER COPPER CORE 30 IGNITION BOOT CLIP TRACTOR ENGINE
$19.99
Time Remaining: 24d 1h 59m
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Spark Plug Wire Set for 4 Cylinder Tractors
Spark Plug Wire Set for 4 Cylinder Tractors
$12.95
Time Remaining: 21d 9h 30m
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FORD TRACTOR TUNE UP KIT 2000 3000 4000 ROTOR SPARK PLUGS POINTS CONDENSOR 3CLY
FORD TRACTOR TUNE UP KIT 2000 3000 4000 ROTOR SPARK PLUGS POINTS CONDENSOR 3CLY
$19.99
Time Remaining: 26d 17h 35m
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Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
$7.50
Time Remaining: 3d 6h 17m
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JOHN DEERE EARLY STYLED A TRACTOR ORIGINAL SPARK PLUG WIRE LOOM 071
JOHN DEERE EARLY STYLED A TRACTOR ORIGINAL SPARK PLUG WIRE LOOM 071
$2.25 (2 Bids)
Time Remaining: 2d 4h 57m

Spark Plug Wire Bracket for 8N Ford Tractors USA MADE
Spark Plug Wire Bracket for 8N Ford Tractors USA MADE
$7.95
Time Remaining: 21d 12h 35m
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Spark Plug Wire Set Massey Harris 4 Cylinder Tractors
Spark Plug Wire Set Massey Harris 4 Cylinder Tractors
$12.95
Time Remaining: 5d 14h 16m
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spark plug wires for IHC Farmall farm tractor A B C H M
spark plug wires for IHC Farmall farm tractor A B C H M
$13.95
Time Remaining: 12d 22h 56m
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Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
$7.50
Time Remaining: 3d 6h 12m
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Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
$7.25
Time Remaining: 3d 6h 19m
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NEW OLD STOCK DELUXE ENGINAIR SPARK PLUG AIR PUMP TRACTOR IH OLIVER CASE CAR
NEW OLD STOCK DELUXE ENGINAIR SPARK PLUG AIR PUMP TRACTOR IH OLIVER CASE CAR
$49.99
Time Remaining: 13d 1h 41m
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Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
$7.75
Time Remaining: 3d 6h 11m
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TRACTOR PART NO AL386 SPARK PLUG
TRACTOR PART NO AL386 SPARK PLUG
$4.19
Time Remaining: 27d 2h 15m
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Spark Plugs 4 for Case D L V VA VAC VAO VAI S SC SI SO AB Tractors
Spark Plugs 4 for Case D L V VA VAC VAO VAI S SC SI SO AB Tractors
$8.95
Time Remaining: 29d 14h 6m
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BRASS FORD MODEL N OR HIT AND MISS TRACTOR SPARK PLUG PRIMING CUP
BRASS FORD MODEL N OR HIT AND MISS TRACTOR SPARK PLUG PRIMING CUP
$2.99 (1 Bid)
Time Remaining: 4d 6h 20m

Spark Plug Wire Set International 4 Cylinder Tractors
Spark Plug Wire Set International 4 Cylinder Tractors
$12.95
Time Remaining: 5d 14h 29m
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Tractor Spark Plug Cover for John Deere H 50 70 520 730
Tractor Spark Plug Cover for John Deere H 50 70 520 730
$35.00
Time Remaining: 16d 4h 23m
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4 Spark Plugs for Minneapolis Moline G LA R U Z Tractors Med Hot Autolite 306
4 Spark Plugs for Minneapolis Moline G LA R U Z Tractors Med Hot Autolite 306
$8.95
Time Remaining: 1d 14h 18m
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Spark Plugs Box of 4 John Deere Tractors 3010 3020 4010 4020 4400
Spark Plugs Box of 4 John Deere Tractors 3010 3020 4010 4020 4400
$8.95
Time Remaining: 3d 16h 1m
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Spark Plug Wire Set for International Harvester 6 Cylinder Tractors
Spark Plug Wire Set for International Harvester 6 Cylinder Tractors
$14.95
Time Remaining: 28d 11h 37m
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TRACTOR PART NOTP A4589RSpark plug cover left hand Tractors 50 60  70
TRACTOR PART NOTP A4589RSpark plug cover left hand Tractors 50 60 70
$39.27
Time Remaining: 23d 1h 4m
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Oliver TRACTOR Spark Plug Wire Set 6 Cylinder 770 880
Oliver TRACTOR Spark Plug Wire Set 6 Cylinder 770 880
$24.99
Time Remaining: 4d 18h 8m
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Tractor Spark Plug Wire Set NEW
Tractor Spark Plug Wire Set NEW
$14.99
Time Remaining: 14d 2h 4m
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NOS Vintage Morgan 775 Spark plug stationary engine car truck motorcycle tractor
NOS Vintage Morgan 775 Spark plug stationary engine car truck motorcycle tractor
$70.00
Time Remaining: 5d 6h
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Vintage 1952 john deere B tractor spark plug wire tube pipe part JD 2 cyl part
Vintage 1952 john deere B tractor spark plug wire tube pipe part JD 2 cyl part
$6.68
Time Remaining: 5d 6h 50m

ALLIS CHALMERS D19 180 190 195 200 TRACTOR SPARK PLUG wires JOHN DEERE
ALLIS CHALMERS D19 180 190 195 200 TRACTOR SPARK PLUG wires JOHN DEERE
$21.50
Time Remaining: 22d 4h 27m
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Green Magazine John Deere JD 720 Spark Ignition Tractor
Green Magazine John Deere JD 720 Spark Ignition Tractor
$9.31
Time Remaining: 22d 8h 31m
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Box of 4 Spark Plugs for John Deere COLD 520 530 620 630 720 730 Tractors
Box of 4 Spark Plugs for John Deere COLD 520 530 620 630 720 730 Tractors
$8.95
Time Remaining: 3d 16h 15m
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Spark Plug Wire Set Cockshutt 4 Cylinder Tractors
Spark Plug Wire Set Cockshutt 4 Cylinder Tractors
$12.95
Time Remaining: 5d 14h 20m
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ALLIS CHALMERS WD WD45 D17 170 175 TRACTOR spark plug wire set
ALLIS CHALMERS WD WD45 D17 170 175 TRACTOR spark plug wire set
$17.00
Time Remaining: 22d 4h 27m
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Spark Plug Wire Set John Deere 6 Cylinder Tractors
Spark Plug Wire Set John Deere 6 Cylinder Tractors
$14.95
Time Remaining: 3d 10h 17m
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Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
$7.25
Time Remaining: 3d 6h 19m
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Spark Plug Wire Set for David Brown 4 Cylinder Tractors
Spark Plug Wire Set for David Brown 4 Cylinder Tractors
$12.95
Time Remaining: 5d 14h 11m
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Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
$7.50
Time Remaining: 3d 6h 8m
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NAA 600 800 801 900 4000 FORD TRACTOR SPARK PLUG WIRES
NAA 600 800 801 900 4000 FORD TRACTOR SPARK PLUG WIRES
$10.99
Time Remaining: 5d 5h 51m
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TRACTOR PART NO AL255 SPARK PLUG
TRACTOR PART NO AL255 SPARK PLUG
$4.91
Time Remaining: 27d 1h 42m
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ALLIS CHALMERS B C CA D10 D12 D14 D17 WC WD WD45 G TRACTOR SPARK PLUG WIRE SET
ALLIS CHALMERS B C CA D10 D12 D14 D17 WC WD WD45 G TRACTOR SPARK PLUG WIRE SET
$17.60
Time Remaining: 18d 5h 51m
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Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
Gas Engine Tractor Trucks Cars Auto Spark Plug Boot
$7.50
Time Remaining: 3d 6h 15m
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TRACTOR PART NO AL303 SPARK PLUG
TRACTOR PART NO AL303 SPARK PLUG
$5.16
Time Remaining: 27d 2h 4m
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TRACTOR PART NO AL388 SPARK PLUG
TRACTOR PART NO AL388 SPARK PLUG
$5.60
Time Remaining: 27d 2h 15m
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Spark Plug Wire Set for Ford 6 Cylinder Tractors
Spark Plug Wire Set for Ford 6 Cylinder Tractors
$14.95
Time Remaining: 28d 11h 36m
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Spark Plugs 4 for Case 630 670 730 770 830 870 930 970 Tractors
Spark Plugs 4 for Case 630 670 730 770 830 870 930 970 Tractors
$8.95
Time Remaining: 17d 11h 6m
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SPARK PLUG WIRE SET UNIVERSAL 4 CYLINDER GAS TRACTOR
SPARK PLUG WIRE SET UNIVERSAL 4 CYLINDER GAS TRACTOR
$11.80
Time Remaining: 14d 3m
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TRACTOR PART NO AL65 SPARK PLUG AL65
TRACTOR PART NO AL65 SPARK PLUG AL65
$13.66
Time Remaining: 27d 2h 7m
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Antique spark plugs 1 2 pipe firestone Gas engine new in boxLOOKTractor ford
Antique spark plugs 1 2 pipe firestone Gas engine new in boxLOOKTractor ford
$20.00
Time Remaining: 4d 18h 29m
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Ford Tractor Spark Plug Wire Set 4 Cyl
Ford Tractor Spark Plug Wire Set 4 Cyl
$19.95
Time Remaining: 28d 3h 38m
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4 Spark Plugs for Cockshutt Tractors Models 30 40  50 Med Hot Autolite 306
4 Spark Plugs for Cockshutt Tractors Models 30 40 50 Med Hot Autolite 306
$8.95
Time Remaining: 1d 14h 16m
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Spark Plug Wire Set for Minneapolis Moline 6 Cylinder Tractors
Spark Plug Wire Set for Minneapolis Moline 6 Cylinder Tractors
$14.95
Time Remaining: 10d 12h 28m
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Spark Plugs Box of 4 Massey Ferguson Tractors Autolite 386 Medium Hot Range
Spark Plugs Box of 4 Massey Ferguson Tractors Autolite 386 Medium Hot Range
$8.95
Time Remaining: 3d 15h 35m
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Spark Plug Wire Set for Long 4 Cylinder Tractors
Spark Plug Wire Set for Long 4 Cylinder Tractors
$12.95
Time Remaining: 28d 11h 30m
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Universal Spark Plug Wire Set for 6 Cylinder Tractors
Universal Spark Plug Wire Set for 6 Cylinder Tractors
$14.95
Time Remaining: 28d 11h 42m
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Ford John Deere Spark Plug Wire Set 4 Cylinder Tractors
Ford John Deere Spark Plug Wire Set 4 Cylinder Tractors
$12.00
Time Remaining: 23d 20h 56m
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TRACTOR PART NOTP A4588RSpark plug cover right hand Tractors 50 6070
TRACTOR PART NOTP A4588RSpark plug cover right hand Tractors 50 6070
$39.27
Time Remaining: 23d 1h 4m
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SPARK PLUGS SET OF FOUR 4 FORD 2000 3000 TRACTOR
SPARK PLUGS SET OF FOUR 4 FORD 2000 3000 TRACTOR
$11.68
Time Remaining: 9d 18h 32m
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2 JOHN DEERE 520 530 620 630 720 730 TRACTOR ORIGINAL SPARK PLUG COVERS 083
2 JOHN DEERE 520 530 620 630 720 730 TRACTOR ORIGINAL SPARK PLUG COVERS 083
$0.99
Time Remaining: 6d 5h 4m

FORD TRACTOR TUNE UP KIT 2N 8N 9N CAP ROTOR SPARK PLUGS WIRE FRONT MOUNT DIST
FORD TRACTOR TUNE UP KIT 2N 8N 9N CAP ROTOR SPARK PLUGS WIRE FRONT MOUNT DIST
$55.00
Time Remaining: 2d 5h 47m
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Spark Plug Wire Set for John Deere 4 Cylinder Tractors
Spark Plug Wire Set for John Deere 4 Cylinder Tractors
$12.95
Time Remaining: 7d 1h 34m
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Spark Plug Wire Set Massey Ferguson 6 Cylinder Tractors
Spark Plug Wire Set Massey Ferguson 6 Cylinder Tractors
$14.95
Time Remaining: 28d 1h 59m
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Spark Plug Wire Set for Case 6 Cylinder Tractors
Spark Plug Wire Set for Case 6 Cylinder Tractors
$14.95
Time Remaining: 28d 11h 35m
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FORD TRACTORS 8N SPARK PLUG BRACKET PART NO 8N12112B
FORD TRACTORS 8N SPARK PLUG BRACKET PART NO 8N12112B
$9.85
Time Remaining: 21d 10h 43m
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Universal Tractor Spark Plug Wire Set 4 Cylinder
Universal Tractor Spark Plug Wire Set 4 Cylinder
$16.99
Time Remaining: 2d 4h 55m
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Spark Plug Wire Set Allis Chalmers 6 Cylinder Tractors
Spark Plug Wire Set Allis Chalmers 6 Cylinder Tractors
$14.95
Time Remaining: 15d 7h 18m
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TRACTOR PART NO AL3116 SPARK PLUG
TRACTOR PART NO AL3116 SPARK PLUG
$5.16
Time Remaining: 27d 2h 21m
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Tractor Spark
Tractor Spark

Carbon Footprints

It is not as easy to measure a person's or even a product's carbon footprint as some may think. In fact, it is close to impossible. As an example, let's take a pack of bacon:

There are many stages in the life-cycle of a food product: raw materials are produced and transported, the food is processed and packaged and then it is distributed to retailers where it is stored. But it doesn’t end there: once bought it must be transported home, stored again and consumed, all of which use energy. Lastly there is disposal – the packaging is collected and usually taken to landfill; a small amount is recycled or reused.

In each of these stages there are hundreds of complex processes, all of which will emit greenhouse gases, which can vary by each individual product. Taking the pack of bacon: At the start of the cycle we have a young pig. Its food is produced and transported to the farm where it lives. Immediately we must ask: How is it transported? By lorry, plane, rail? How is its food supply manufactured? How many tractors plough the corn field where its food is grown, and what are the emissions of each tractor? This can go on, and we are only on the first phase of the cycle. The pig farm machinery must also be taken into consideration – and each farm will be different. What of the emissions from each pig’s bodily functions?

This question may seem insignificant when compared to the many other factors, but it leads to another very important point: The carbon footprint of a product is a measure of its impact on the environment i.e. how much is it going to increase the greenhouse effect? The use of the word ‘carbon’ can be confusing here; there are other gases which when released into the atmosphere have a far greater global warming potential, relative to carbon dioxide.

And so this brings us to a pig’s fart: methane. It is emitted at other stages of the cycle too, like landfill sites where waste decomposes, releasing methane.

In carbon footprints, these other gases are accounted for and included. The trouble is that many of the carbon footprints quoted today can be somewhat misleading, because they are based on the global warming potential relative to CO2 over a 100 year period. If we had 100 years to address climate change, this would make sense. But it appears we have years, not decades, so it would be more meaningful to consider the effect over the next 20 years. One can see that methane is 3 times more potent over 20 years than it is over 100 years. The footprints of products would almost certainly be different if calculated on a 20 year basis.

Riverford, the largest supplier of organic food boxes in England, came across a good example of the complexity in measuring the carbon footprints of food and drink. Riverford carried out a study comparing the carbon footprint of its tomatoes grown locally to those grown in Spain. It would be reasonable to expect that the tomatoes grown abroad would have a higher footprint – they have further to travel and they must be conserved (refrigerated) on route. However the study showed that while they do indeed emit more CO2 in the transport stage, overall they are less carbon-intensive i.e. fewer greenhouse gases are released in the life-cycle of each Spanish tomato sold in the UK, than in a UK tomato sold in the UK! This is because in Spain, the tomatoes can be grown in the natural climate, but in the UK greenhouses are needed, heating is needed and the growing of the tomatoes requires energy – taken from the national grid. When this is weighed against the emissions from transport, the UK tomatoes have a higher carbon-intensity.

Now imagine trying to work out all of these stages for a person's lifestyle…air travel, packs of bacon eaten…it would be a lifetime calculation for about 100 Albert Einsteins working together. In fact, I heard that when a large British supermarket chain announced they would be offering carbon footprint labels on 1000s of products by next year, they had to quickly backtrack and now offer labels on just packets of crisps - and only one flavour, from one manufacturer.

About the Author

For more information and insight into climate change, carbon offsets and energy - or simply to download the Spanish feed in tariffs visit our educational climate site here: http://hotclimate.wikidot.com

What may be causing lawn tractor to sputter and die during operation?

Runs fine for 15 minutes, then sputters and then dies. Does not restart unless I wait about 10 minutes, then will run fine for another 5 minutes before sputtering and dying again. I have 17 hp Briggs & Stratton engine. Have changed spark plug (old plug looked clean), air filter, fuel filter, and added fuel stabilizer. Someone on Yahoo answers suggested unplugging vent on gas cap and/or running with loose gas cap -- tried this but same result.

Completely drain the gas tank and clean it out thoroughly and at the same time remove the plug on the bottom of the float bowl and let it drain. Then reassemble and change the fuel filter at the same time. Before you put the plug back into the bottom of the carburetor inspect it carefully there should be a small hole in the bolt that holds it on, if this hole is plugged or in your case partially plugged, the symptoms are pretty much what you described. It gets plugged from bad gas or junk getting through the filter.

PPL: E3 Spark Plugs Super Modified Tractors from Concord, NC (Part 2)