Shop Duramax Injector Return Lines

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$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
Free shipping
$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
$25.00
Chevy Duramax LB7 Injector And Return Line Kit
Diesel Care and Performance
$25.00
Chevy Duramax LB7 Injector And Return Line Kit
Diesel Care and Performance
$79.95
Tracktech Fuel Injector Return Line Left Or Right For 2001-2004 Chevrolet Duramax 6.6L LB7 TTD0104FS567
ProSource Diesel
$79.95
Tracktech Fuel Injector Return Line Left Or Right For 2001-2004 Chevrolet Duramax 6.6L LB7 TTD0104FS567
ProSource Diesel
$27.58
Fuel Injector Return Line Kit For 2004.5-2010 Chevy Gmc 6.6L Duramax
eBay
Free shipping
$27.58
Fuel Injector Return Line Kit For 2004.5-2010 Chevy Gmc 6.6L Duramax
eBay
$48.88
2004-2010 Duramax Diesel Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 8973287331 Generic
jcarpart.com
$48.88
2004-2010 Duramax Diesel Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 8973287331 Generic
jcarpart.com
$48.88
Fuel Injector Return Line Kit 97328733 0928400552 Fit Duramax 2004-2010 6.6L Diesel Truck Engines
jcarpart.com
$48.88
Fuel Injector Return Line Kit 97328733 0928400552 Fit Duramax 2004-2010 6.6L Diesel Truck Engines
jcarpart.com
$20.00
Injector Seal And Return Line Kit For 6.6L Chevrolet Duramax
Diesel Care and Performance
$20.00
Injector Seal And Return Line Kit For 6.6L Chevrolet Duramax
Diesel Care and Performance
$99.95
Tracktech Fuel Injector Return Line Set For 2004.5-2010 Chevrolet Duramax 6.6L LLY LBZ LMM TTD0410FS573
ProSource Diesel
$99.95
Tracktech Fuel Injector Return Line Set For 2004.5-2010 Chevrolet Duramax 6.6L LLY LBZ LMM TTD0410FS573
ProSource Diesel
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 TTD0104FS568 KIT
ProSource Diesel
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 TTD0104FS568 KIT
ProSource Diesel
$133.45
04.5-10 GM 6.6L Duramax OEM Passenger Side Fuel Injector Return Line
Pure Diesel Power
$133.45
04.5-10 GM 6.6L Duramax OEM Passenger Side Fuel Injector Return Line
Pure Diesel Power
$23.67
04.5-10 GM 6.6L Duramax Dtech Injector Return Line Kit
Pure Diesel Power
$23.67
04.5-10 GM 6.6L Duramax Dtech Injector Return Line Kit
Pure Diesel Power
$37.99
Pair Of Fuel Injector Return Line Kits For 2004.5-2010 Duramax 6.6L LLY LBZ LMM
eBay.com
Free shipping
$37.99
Pair Of Fuel Injector Return Line Kits For 2004.5-2010 Duramax 6.6L LLY LBZ LMM
eBay.com
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 - Lines Only TTD0104FS568 Lines
ProSource Diesel
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 - Lines Only TTD0104FS568 Lines
ProSource Diesel
$45.99
Fuel Injector Return Line Kit Fit Duramax 2004.5-2010 6.6L Diesel Truck Engines 97328733 0928402097 0928400552
VelocityTitan
$45.99
Fuel Injector Return Line Kit Fit Duramax 2004.5-2010 6.6L Diesel Truck Engines 97328733 0928402097 0928400552
VelocityTitan
$139.95
Tracktech Fuel Injector Return Line Set For 2011-2016 Chevrolet Duramax 6.6L LML TTD1116FS574
ProSource Diesel
$139.95
Tracktech Fuel Injector Return Line Set For 2011-2016 Chevrolet Duramax 6.6L LML TTD1116FS574
ProSource Diesel
$59.72
04.5-10 GM 6.6L Duramax Injector Return Line Right
Pure Diesel Power
$59.72
04.5-10 GM 6.6L Duramax Injector Return Line Right
Pure Diesel Power
$48.65
Fuel Injector Return Line Kit Fit Duramax 04-10 6.6L Diesel Truck Engine NEW
eBay.com
Free shipping
$48.65
Fuel Injector Return Line Kit Fit Duramax 04-10 6.6L Diesel Truck Engine NEW
eBay.com
$10.93
Duramax Injector And Return Line Kit
Diesel Auto Power - July 7th 2025
$10.93
Duramax Injector And Return Line Kit
Diesel Auto Power - July 7th 2025
$119.95
Fuel Injector Return Lines For 2001-2004 Chevy Gmc 6.6L Lb7 Duramax
eBay.com
Free shipping
$119.95
Fuel Injector Return Lines For 2001-2004 Chevy Gmc 6.6L Lb7 Duramax
eBay.com
$36.66
Injector Fuel Return Hose Kit For 2004.5-2010 GM Duramax Engine 6.6L LLY LBZ LMM
eBay.com
Free shipping
$36.66
Injector Fuel Return Hose Kit For 2004.5-2010 GM Duramax Engine 6.6L LLY LBZ LMM
eBay.com
$127.76
04.5-10 GM 6.6L Duramax OEM Driver Side Fuel Injector Return Line
Pure Diesel Power
$127.76
04.5-10 GM 6.6L Duramax OEM Driver Side Fuel Injector Return Line
Pure Diesel Power
$32.95
Injector Return Line Kit For 2004.5-2010 Gm 6.6L Duramax LLY LBZ & LMM 26410
eBay.com
Free shipping
$32.95
Injector Return Line Kit For 2004.5-2010 Gm 6.6L Duramax LLY LBZ & LMM 26410
eBay.com
$20.43
Fuel Injector Return Line Kit For 2004-2010 Diesel Pickup Truck 6.6L Duramax
eBay.com
Free shipping
$20.43
Fuel Injector Return Line Kit For 2004-2010 Diesel Pickup Truck 6.6L Duramax
eBay.com
$120.00
2004-2010 CHEVT/GMC 6.6L DURAMAX LLY, LBZ, AND LMM LEFT & RIGHT-SIDE FUEL INJECTOR RETURN LINE KIT
Dieselogic
$120.00
2004-2010 CHEVT/GMC 6.6L DURAMAX LLY, LBZ, AND LMM LEFT & RIGHT-SIDE FUEL INJECTOR RETURN LINE KIT
Dieselogic
$44.99
Injector Return Line Kit For 2004.5-2010 Duramax LLY, LBZ And LMM. (1 Side) With Metal Fittings
Diesel Auto Power - July 7th 2025
$44.99
Injector Return Line Kit For 2004.5-2010 Duramax LLY, LBZ And LMM. (1 Side) With Metal Fittings
Diesel Auto Power - July 7th 2025
$28.56
Duramax Injector Return Line Kit 2004.5 - 2010
Norcal Diesel Performance
12
$28.56
Duramax Injector Return Line Kit 2004.5 - 2010
Norcal Diesel Performance
$165.67
2004.5-2010 Gm 6.6L Duramax -Gm 97328733 Passenger Side Fuel Injector Return Line
SWAGPERFORMANCEPARTS
Free shipping
$165.67
2004.5-2010 Gm 6.6L Duramax -Gm 97328733 Passenger Side Fuel Injector Return Line
SWAGPERFORMANCEPARTS
$197.88
2004.5-2010 Gm 6.6L Duramax -Gm 98062291 Driver Side Fuel Injector Return Line
SWAGPERFORMANCEPARTS
Free shipping
$197.88
2004.5-2010 Gm 6.6L Duramax -Gm 98062291 Driver Side Fuel Injector Return Line
SWAGPERFORMANCEPARTS
$142.48
Gm Driver Side Fuel Injector Return Line 2004.5 To 2010 6.6L Lly/Lbz/Lmm Duramax
Blessed Performance
$142.48
Gm Driver Side Fuel Injector Return Line 2004.5 To 2010 6.6L Lly/Lbz/Lmm Duramax
Blessed Performance
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 - Lines + Gaskets TTD0104FS568 Gaskets
ProSource Diesel
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 - Lines + Gaskets TTD0104FS568 Gaskets
ProSource Diesel
$50.57
04.5-10 GM 6.6L Duramax Bosch Driver Side Fuel Injector Return Line
Pure Diesel Power
$50.57
04.5-10 GM 6.6L Duramax Bosch Driver Side Fuel Injector Return Line
Pure Diesel Power
$58.78
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 98062291 Generic
ucarpart.com
$58.78
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 98062291 Generic
ucarpart.com
$39.75
Nicechoice2022 Pair Of Fuel Injector Return Line Kits For Duramax 6.6L
eBay.com
Free shipping
$39.75
Nicechoice2022 Pair Of Fuel Injector Return Line Kits For Duramax 6.6L
eBay.com
$48.65
Fuel Injector Return Line Kit Fits Duramax 2004-2010 6.6L Diesel Truck Engines
eBay.com
Free shipping
$48.65
Fuel Injector Return Line Kit Fits Duramax 2004-2010 6.6L Diesel Truck Engines
eBay.com
$18.25
Injector Return Line Kit For 2004.5-2010 Duramax LLY, LBZ And LMM. Services 1 Side.
Diesel Auto Power - July 7th 2025
$18.25
Injector Return Line Kit For 2004.5-2010 Duramax LLY, LBZ And LMM. Services 1 Side.
Diesel Auto Power - July 7th 2025
$48.88
2004-2010 Duramax Diesel Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 8973287331 Generic
ucarpart.com
$48.88
2004-2010 Duramax Diesel Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 8973287331 Generic
ucarpart.com
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Shop Duramax Injector Return Lines

Sponsored
About our ads
$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
Free shipping
$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
$25.00
Chevy Duramax LB7 Injector And Return Line Kit
Diesel Care and Performance
$25.00
Chevy Duramax LB7 Injector And Return Line Kit
Diesel Care and Performance
$79.95
Tracktech Fuel Injector Return Line Left Or Right For 2001-2004 Chevrolet Duramax 6.6L LB7 TTD0104FS567
ProSource Diesel
$79.95
Tracktech Fuel Injector Return Line Left Or Right For 2001-2004 Chevrolet Duramax 6.6L LB7 TTD0104FS567
ProSource Diesel
$27.58
Fuel Injector Return Line Kit For 2004.5-2010 Chevy Gmc 6.6L Duramax
eBay
Free shipping
$27.58
Fuel Injector Return Line Kit For 2004.5-2010 Chevy Gmc 6.6L Duramax
eBay
$48.88
2004-2010 Duramax Diesel Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 8973287331 Generic
jcarpart.com
$48.88
2004-2010 Duramax Diesel Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 8973287331 Generic
jcarpart.com
$48.88
Fuel Injector Return Line Kit 97328733 0928400552 Fit Duramax 2004-2010 6.6L Diesel Truck Engines
jcarpart.com
$48.88
Fuel Injector Return Line Kit 97328733 0928400552 Fit Duramax 2004-2010 6.6L Diesel Truck Engines
jcarpart.com
$20.00
Injector Seal And Return Line Kit For 6.6L Chevrolet Duramax
Diesel Care and Performance
$20.00
Injector Seal And Return Line Kit For 6.6L Chevrolet Duramax
Diesel Care and Performance
$99.95
Tracktech Fuel Injector Return Line Set For 2004.5-2010 Chevrolet Duramax 6.6L LLY LBZ LMM TTD0410FS573
ProSource Diesel
$99.95
Tracktech Fuel Injector Return Line Set For 2004.5-2010 Chevrolet Duramax 6.6L LLY LBZ LMM TTD0410FS573
ProSource Diesel
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 TTD0104FS568 KIT
ProSource Diesel
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 TTD0104FS568 KIT
ProSource Diesel
$133.45
04.5-10 GM 6.6L Duramax OEM Passenger Side Fuel Injector Return Line
Pure Diesel Power
$133.45
04.5-10 GM 6.6L Duramax OEM Passenger Side Fuel Injector Return Line
Pure Diesel Power
$23.67
04.5-10 GM 6.6L Duramax Dtech Injector Return Line Kit
Pure Diesel Power
$23.67
04.5-10 GM 6.6L Duramax Dtech Injector Return Line Kit
Pure Diesel Power
$37.99
Pair Of Fuel Injector Return Line Kits For 2004.5-2010 Duramax 6.6L LLY LBZ LMM
eBay.com
Free shipping
$37.99
Pair Of Fuel Injector Return Line Kits For 2004.5-2010 Duramax 6.6L LLY LBZ LMM
eBay.com
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 - Lines Only TTD0104FS568 Lines
ProSource Diesel
$139.95
Tracktech Fuel Injector Return Line Kit Left And Right For 2001-2004 Chevrolet Duramax 6.6L LB7 - Lines Only TTD0104FS568 Lines
ProSource Diesel
$45.99
Fuel Injector Return Line Kit Fit Duramax 2004.5-2010 6.6L Diesel Truck Engines 97328733 0928402097 0928400552
VelocityTitan
$45.99
Fuel Injector Return Line Kit Fit Duramax 2004.5-2010 6.6L Diesel Truck Engines 97328733 0928402097 0928400552
VelocityTitan
$139.95
Tracktech Fuel Injector Return Line Set For 2011-2016 Chevrolet Duramax 6.6L LML TTD1116FS574
ProSource Diesel
$139.95
Tracktech Fuel Injector Return Line Set For 2011-2016 Chevrolet Duramax 6.6L LML TTD1116FS574
ProSource Diesel
$59.72
04.5-10 GM 6.6L Duramax Injector Return Line Right
Pure Diesel Power
$59.72
04.5-10 GM 6.6L Duramax Injector Return Line Right
Pure Diesel Power
$48.65
Fuel Injector Return Line Kit Fit Duramax 04-10 6.6L Diesel Truck Engine NEW
eBay.com
Free shipping
$48.65
Fuel Injector Return Line Kit Fit Duramax 04-10 6.6L Diesel Truck Engine NEW
eBay.com
$10.93
Duramax Injector And Return Line Kit
Diesel Auto Power - July 7th 2025
$10.93
Duramax Injector And Return Line Kit
Diesel Auto Power - July 7th 2025