Shop Durmax Return Line Upgrade

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$6.50
LB7 2001-2004 GMC 6.6L Duramax Return Line Kit 5 Banjo Washers Only
Dieselogic
$6.50
LB7 2001-2004 GMC 6.6L Duramax Return Line Kit 5 Banjo Washers Only
Dieselogic
$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
$33.13
Duramax Injector Return Line Kit 2004.5 - 2010 | IIDP
Industrial Injection Diesel Performance
$33.13
Duramax Injector Return Line Kit 2004.5 - 2010 | IIDP
Industrial Injection Diesel Performance
$99.95
Tracktech Fuel Injector Return Line Set For 2004.5-2010 Chevrolet Duramax 6.6L LLY LBZ LMM TTD0410FS573
ProSource Diesel
1
$99.95
Tracktech Fuel Injector Return Line Set For 2004.5-2010 Chevrolet Duramax 6.6L LLY LBZ LMM TTD0410FS573
ProSource Diesel
$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
1
Free shipping
$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
$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
$84.99
2017 Sierra 2500 Turbocharger Coolant Return Line (17-22 6.6L Duramax HD) 667-439
AmericanTrucks.com
4
$84.99
2017 Sierra 2500 Turbocharger Coolant Return Line (17-22 6.6L Duramax HD) 667-439
AmericanTrucks.com
$31.10
Waltyotur Diesel Fuel Line Return Kit Fuel Injector Return Line Kit Replacement For 2004-2010 6.6L LLY Duramax Diesel Pickup Truck Engines
Amazon.com
1
$31.10
Waltyotur Diesel Fuel Line Return Kit Fuel Injector Return Line Kit Replacement For 2004-2010 6.6L LLY Duramax Diesel Pickup Truck Engines
Amazon.com
$60.30
Silscvtt 12639000 12633835 Fuel Return Line Replacement For Duramax LML LGH 2011-2016
Amazon.com
3
Free shipping
$60.30
Silscvtt 12639000 12633835 Fuel Return Line Replacement For Duramax LML LGH 2011-2016
Amazon.com
$48.99
2013 Silverado 3500 Turbocharger Coolant Return Line (11-16 6.6L Duramax HD) 667-160
AmericanTrucks.com
4
$48.99
2013 Silverado 3500 Turbocharger Coolant Return Line (11-16 6.6L Duramax HD) 667-160
AmericanTrucks.com
$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
$94.99
2010 Silverado 2500 Turbocharger Oil Return Line (07-10 6.6L Duramax HD) 904-125
AmericanTrucks.com
4
$94.99
2010 Silverado 2500 Turbocharger Oil Return Line (07-10 6.6L Duramax HD) 904-125
AmericanTrucks.com
$104.00
2011-2016 GM 6.6L LML LGH Duramax Fuel Return Line Assembly
Pure Diesel Power
$104.00
2011-2016 GM 6.6L LML LGH Duramax Fuel Return Line Assembly
Pure Diesel Power
$133.80
04.5-10 GM 6.6L Duramax OEM Driver Side Fuel Injector Return Line
Pure Diesel Power
$133.80
04.5-10 GM 6.6L Duramax OEM Driver Side Fuel Injector Return Line
Pure Diesel Power
$39.83
GM 6.6L Duramax LLY, LBZ, LMM Fuel Injector Return Line Kit 2004-2010 | Bostech BD6301637
Bostech
$39.83
GM 6.6L Duramax LLY, LBZ, LMM Fuel Injector Return Line Kit 2004-2010 | Bostech BD6301637
Bostech
$54.99
2011 Silverado 3500 Turbocharger Coolant Return Line (11-16 6.6L Duramax HD) 667-161
AmericanTrucks.com
4
$54.99
2011 Silverado 3500 Turbocharger Coolant Return Line (11-16 6.6L Duramax HD) 667-161
AmericanTrucks.com
$77.67
04.5-10 GM 6.6L Duramax Dorman Turbo Oil Return Line
Pure Diesel Power
$77.67
04.5-10 GM 6.6L Duramax Dorman Turbo Oil Return Line
Pure Diesel Power
$86.95
11-16 GM 6.6L LML/LGH Duramax XDP OER Series Fuel Return Line Assembly
Pure Diesel Power
$86.95
11-16 GM 6.6L LML/LGH Duramax XDP OER Series Fuel Return Line Assembly
Pure Diesel Power
$64.38
04.5-10 GM 6.6L Duramax Injector Return Line Left
Pure Diesel Power
$64.38
04.5-10 GM 6.6L Duramax Injector Return Line Left
Pure Diesel Power
$39.96
01-04 GM 6.6L Duramax Fuel Return Line Banjo Bolt
Pure Diesel Power
$39.96
01-04 GM 6.6L Duramax Fuel Return Line Banjo Bolt
Pure Diesel Power
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Shop Durmax Return Line Upgrade

Sponsored
About our ads
$6.50
LB7 2001-2004 GMC 6.6L Duramax Return Line Kit 5 Banjo Washers Only
Dieselogic
$6.50
LB7 2001-2004 GMC 6.6L Duramax Return Line Kit 5 Banjo Washers Only
Dieselogic
$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
$33.13
Duramax Injector Return Line Kit 2004.5 - 2010 | IIDP
Industrial Injection Diesel Performance
$33.13
Duramax Injector Return Line Kit 2004.5 - 2010 | IIDP
Industrial Injection Diesel Performance
$99.95
Tracktech Fuel Injector Return Line Set For 2004.5-2010 Chevrolet Duramax 6.6L LLY LBZ LMM TTD0410FS573
ProSource Diesel
1
$99.95
Tracktech Fuel Injector Return Line Set For 2004.5-2010 Chevrolet Duramax 6.6L LLY LBZ LMM TTD0410FS573
ProSource Diesel
$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
1
Free shipping
$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
$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
$84.99
2017 Sierra 2500 Turbocharger Coolant Return Line (17-22 6.6L Duramax HD) 667-439
AmericanTrucks.com
4
$84.99
2017 Sierra 2500 Turbocharger Coolant Return Line (17-22 6.6L Duramax HD) 667-439
AmericanTrucks.com
$31.10
Waltyotur Diesel Fuel Line Return Kit Fuel Injector Return Line Kit Replacement For 2004-2010 6.6L LLY Duramax Diesel Pickup Truck Engines
Amazon.com
1
$31.10
Waltyotur Diesel Fuel Line Return Kit Fuel Injector Return Line Kit Replacement For 2004-2010 6.6L LLY Duramax Diesel Pickup Truck Engines
Amazon.com
$60.30
Silscvtt 12639000 12633835 Fuel Return Line Replacement For Duramax LML LGH 2011-2016
Amazon.com
3
Free shipping
$60.30
Silscvtt 12639000 12633835 Fuel Return Line Replacement For Duramax LML LGH 2011-2016
Amazon.com
$48.99
2013 Silverado 3500 Turbocharger Coolant Return Line (11-16 6.6L Duramax HD) 667-160
AmericanTrucks.com
4
$48.99
2013 Silverado 3500 Turbocharger Coolant Return Line (11-16 6.6L Duramax HD) 667-160
AmericanTrucks.com
$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
$94.99
2010 Silverado 2500 Turbocharger Oil Return Line (07-10 6.6L Duramax HD) 904-125
AmericanTrucks.com
4
$94.99
2010 Silverado 2500 Turbocharger Oil Return Line (07-10 6.6L Duramax HD) 904-125
AmericanTrucks.com
$104.00
2011-2016 GM 6.6L LML LGH Duramax Fuel Return Line Assembly
Pure Diesel Power
$104.00
2011-2016 GM 6.6L LML LGH Duramax Fuel Return Line Assembly
Pure Diesel Power
$133.80
04.5-10 GM 6.6L Duramax OEM Driver Side Fuel Injector Return Line
Pure Diesel Power
$133.80
04.5-10 GM 6.6L Duramax OEM Driver Side Fuel Injector Return Line
Pure Diesel Power
$39.83
GM 6.6L Duramax LLY, LBZ, LMM Fuel Injector Return Line Kit 2004-2010 | Bostech BD6301637
Bostech
$39.83
GM 6.6L Duramax LLY, LBZ, LMM Fuel Injector Return Line Kit 2004-2010 | Bostech BD6301637
Bostech
$54.99
2011 Silverado 3500 Turbocharger Coolant Return Line (11-16 6.6L Duramax HD) 667-161
AmericanTrucks.com
4
$54.99
2011 Silverado 3500 Turbocharger Coolant Return Line (11-16 6.6L Duramax HD) 667-161
AmericanTrucks.com
$77.67
04.5-10 GM 6.6L Duramax Dorman Turbo Oil Return Line
Pure Diesel Power
$77.67
04.5-10 GM 6.6L Duramax Dorman Turbo Oil Return Line
Pure Diesel Power
$86.95
11-16 GM 6.6L LML/LGH Duramax XDP OER Series Fuel Return Line Assembly
Pure Diesel Power
$86.95
11-16 GM 6.6L LML/LGH Duramax XDP OER Series Fuel Return Line Assembly
Pure Diesel Power