Shop duramax lly injector return line replacement driver side

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$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
$39.95
GM 6.6L Duramax LLY, LBZ, LMM Fuel Injector Return Line Kit 2004-2010 | Bostech BD6301637
Bostech
$39.95
GM 6.6L Duramax LLY, LBZ, LMM Fuel Injector Return Line Kit 2004-2010 | Bostech BD6301637
Bostech
$289.95
NEW 6.6 LLY & LBZ Flexible Stainless Steel Braided Fuel Lines Feed & Return | 15077513, 15167372 | 2004.5-2007 GM Duramax 6.6L
Dale's Super Store
Free shipping
$289.95
NEW 6.6 LLY & LBZ Flexible Stainless Steel Braided Fuel Lines Feed & Return | 15077513, 15167372 | 2004.5-2007 GM Duramax 6.6L
Dale's Super Store
$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
$45.99
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 0928402097 0928400552
VelocityTitan
$45.99
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 0928402097 0928400552
VelocityTitan
$175.00
2011-2016 6.6L GMC/CHEVY DURAMAX LML/LGH Bosch OEM Fuel Return Line Assembly
Dieselogic
$175.00
2011-2016 6.6L GMC/CHEVY DURAMAX LML/LGH Bosch OEM Fuel Return Line Assembly
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 4/5
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 4/5
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 2/7
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 2/7
Dieselogic
$42.06
Fuel Injector Return Line Lh Driver Side 2004.5 10 6.6 L Lly Duramax Diesel
Everymarket INC
$42.06
Fuel Injector Return Line Lh Driver Side 2004.5 10 6.6 L Lly Duramax Diesel
Everymarket INC
$107.95
Dorman Driver Side Fuel Injector Return Line For 04.5-10 Gm 6.6L Duramax 904-123
SWAGPERFORMANCEPARTS
$107.95
Dorman Driver Side Fuel Injector Return Line For 04.5-10 Gm 6.6L Duramax 904-123
SWAGPERFORMANCEPARTS
$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
$22.99
Injector Return Line Kit For 2004.5-2010 Duramax LLY, LBZ And LMM. Services 1 Side.
Diesel Auto Power - July 7th 2025
$22.99
Injector Return Line Kit For 2004.5-2010 Duramax LLY, LBZ And LMM. Services 1 Side.
Diesel Auto Power - July 7th 2025
$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
$48.88
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 98062291
jcarpart.com
$48.88
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 98062291
jcarpart.com
$148.81
Gm Passenger Side Fuel Injector Return Line 2004.5 To 2010 6.6L Lly/Lbz/Lmm Duramax
Blessed Performance
$148.81
Gm Passenger Side Fuel Injector Return Line 2004.5 To 2010 6.6L Lly/Lbz/Lmm Duramax
Blessed Performance
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 3/6
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 3/6
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
$38.99
Diesel Injector Fuel Return Line For GM Duramax 6.6L LLY LBZ LMM 2004.5-2010. AUTOPROSUPPLY123. Additional Fuel Injection Parts. AM-IRK-973-FBR.
eBay
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$38.99
Diesel Injector Fuel Return Line For GM Duramax 6.6L LLY LBZ LMM 2004.5-2010. AUTOPROSUPPLY123. Additional Fuel Injection Parts. AM-IRK-973-FBR.
eBay
$39.99
2004.5-2010 Duramax LLY LBZ LMM Return Line Kit Pair For Both Sides. Injectorsdirect. Additional Fuel Injection Parts. 0928402097, 0928400552.
eBay
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$39.99
2004.5-2010 Duramax LLY LBZ LMM Return Line Kit Pair For Both Sides. Injectorsdirect. Additional Fuel Injection Parts. 0928402097, 0928400552.
eBay
$115.81
Diesel Injector Fuel Return Hose Line Kit For 2004.5-2010 Duramax 6.6L LLY LBZ. Brotherauto-Parts. Black. Fuel Injectors.
eBay
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Diesel Injector Fuel Return Hose Line Kit For 2004.5-2010 Duramax 6.6L LLY LBZ. Brotherauto-Parts. Black. Fuel Injectors.
eBay
$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
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$38.95
Swag Performance Gm Lly / Lbz / Lmm Duramax Fuel Injector Return Line Kit
SWAGPERFORMANCEPARTS
$74.22
2004.5 10 6.6 L Lly Duramax Diesel Fuel Injector Return Lines Kit Lh & Rh
Everymarket INC
$74.22
2004.5 10 6.6 L Lly Duramax Diesel Fuel Injector Return Lines Kit Lh & Rh
Everymarket INC
$117.45
Pair Of Fuel Injector Return Line Kits For Duramax 6.6L LLY LBZ LMM 2004.5-2010. Autoclan-1987. Black. Fuel Injectors.
eBay
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$117.45
Pair Of Fuel Injector Return Line Kits For Duramax 6.6L LLY LBZ LMM 2004.5-2010. Autoclan-1987. Black. Fuel Injectors.
eBay
$111.61
Pair Of Fuel Injector Return Line Kits For Duramax 6.6L 2004.5-2010 LLY LBZ LMM. Speedreplace. Black. Fuel Injectors.
eBay
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$111.61
Pair Of Fuel Injector Return Line Kits For Duramax 6.6L 2004.5-2010 LLY LBZ LMM. Speedreplace. Black. Fuel Injectors.
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$114.10
Fuel Injector Return Line Kit For 2004.5 2010 Chevy Gmc 6.6L Lly Lbz Lmm Duramax
Everymarket INC
$114.10
Fuel Injector Return Line Kit For 2004.5 2010 Chevy Gmc 6.6L Lly Lbz Lmm Duramax
Everymarket INC
$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
$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
$87.64
Lh & Rh Diesel Fuel Injector Return Hose Kit For Duramax 6.6 L Lly Lbz Lmm 04 10
Everymarket INC
$87.64
Lh & Rh Diesel Fuel Injector Return Hose Kit For Duramax 6.6 L Lly Lbz Lmm 04 10
Everymarket INC
$86.95
Duramax LLY LBZ LMM Fuel Injector Return Line AND Installation Seal Kit. ATSLLC. Additional Fuel Injection Parts. D660023-Mx2.
eBay
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Duramax LLY LBZ LMM Fuel Injector Return Line AND Installation Seal Kit. ATSLLC. Additional Fuel Injection Parts. D660023-Mx2.
eBay
$41.09
Diesel Injector Fuel Return Hose Line Kit For 2004-2010 Duramax 6.6L LLY LBZ LMM. WELLWER. Fuel Injectors.
eBay
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$41.09
Diesel Injector Fuel Return Hose Line Kit For 2004-2010 Duramax 6.6L LLY LBZ LMM. WELLWER. Fuel Injectors.
eBay
$53.45
GM 97321372 Duramax Fuel Injection Return Hose LLY
DHD
$53.45
GM 97321372 Duramax Fuel Injection Return Hose LLY
DHD
$85.66
Diesel Injector Fuel Return Hose Line Kit For Duramax 6.6 L Lly Lbz Lmm 04 10
Everymarket INC
$85.66
Diesel Injector Fuel Return Hose Line Kit For Duramax 6.6 L Lly Lbz Lmm 04 10
Everymarket INC
$122.75
Pair Of Fuel Injector Return Line Kits For Duramax 6.6L LLY LBZ LMM 2004-2010. Nicechoice2022. Black. Fuel Injectors.
eBay
Free shipping
$122.75
Pair Of Fuel Injector Return Line Kits For Duramax 6.6L LLY LBZ LMM 2004-2010. Nicechoice2022. Black. Fuel Injectors.
eBay
$41.69
2X Left Right Fuel Injector Return Lines For Duramax 6.6L LLY LBZ LMM 04-10. AUTOCLAN1987. Fuel Injectors.
eBay
Free shipping
$41.69
2X Left Right Fuel Injector Return Lines For Duramax 6.6L LLY LBZ LMM 04-10. AUTOCLAN1987. Fuel Injectors.
eBay
$107.95
Duramax Lly Lbz Lmm Fuel Injector Return Line And Install Kit W/ Metal
eBay
Free shipping
$107.95
Duramax Lly Lbz Lmm Fuel Injector Return Line And Install Kit W/ Metal
eBay
$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
How to Fix: Duramax Injector Return Line Replacement (Links to parts in description ⬇️)
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Shop duramax lly injector return line replacement driver side

Sponsored
About our ads
$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
$39.95
GM 6.6L Duramax LLY, LBZ, LMM Fuel Injector Return Line Kit 2004-2010 | Bostech BD6301637
Bostech
$39.95
GM 6.6L Duramax LLY, LBZ, LMM Fuel Injector Return Line Kit 2004-2010 | Bostech BD6301637
Bostech
$289.95
NEW 6.6 LLY & LBZ Flexible Stainless Steel Braided Fuel Lines Feed & Return | 15077513, 15167372 | 2004.5-2007 GM Duramax 6.6L
Dale's Super Store
Free shipping
$289.95
NEW 6.6 LLY & LBZ Flexible Stainless Steel Braided Fuel Lines Feed & Return | 15077513, 15167372 | 2004.5-2007 GM Duramax 6.6L
Dale's Super Store
$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
$45.99
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 0928402097 0928400552
VelocityTitan
$45.99
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 0928402097 0928400552
VelocityTitan
$175.00
2011-2016 6.6L GMC/CHEVY DURAMAX LML/LGH Bosch OEM Fuel Return Line Assembly
Dieselogic
$175.00
2011-2016 6.6L GMC/CHEVY DURAMAX LML/LGH Bosch OEM Fuel Return Line Assembly
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 4/5
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 4/5
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 2/7
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 2/7
Dieselogic
$42.06
Fuel Injector Return Line Lh Driver Side 2004.5 10 6.6 L Lly Duramax Diesel
Everymarket INC
$42.06
Fuel Injector Return Line Lh Driver Side 2004.5 10 6.6 L Lly Duramax Diesel
Everymarket INC
$107.95
Dorman Driver Side Fuel Injector Return Line For 04.5-10 Gm 6.6L Duramax 904-123
SWAGPERFORMANCEPARTS
$107.95
Dorman Driver Side Fuel Injector Return Line For 04.5-10 Gm 6.6L Duramax 904-123
SWAGPERFORMANCEPARTS
$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
$22.99
Injector Return Line Kit For 2004.5-2010 Duramax LLY, LBZ And LMM. Services 1 Side.
Diesel Auto Power - July 7th 2025
$22.99
Injector Return Line Kit For 2004.5-2010 Duramax LLY, LBZ And LMM. Services 1 Side.
Diesel Auto Power - July 7th 2025
$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
$48.88
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 98062291
jcarpart.com
$48.88
2004.5-2010 LLY Duramax Diesel Pickup Truck Engines 6.6L Fuel Injector Return Line Kit 97328733 98062291
jcarpart.com
$148.81
Gm Passenger Side Fuel Injector Return Line 2004.5 To 2010 6.6L Lly/Lbz/Lmm Duramax
Blessed Performance
$148.81
Gm Passenger Side Fuel Injector Return Line 2004.5 To 2010 6.6L Lly/Lbz/Lmm Duramax
Blessed Performance
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 3/6
Dieselogic
$49.00
2004.5-2006 DURAMAX LLY DIESEL FUEL INJECTOR LINE 3/6
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
$38.99
Diesel Injector Fuel Return Line For GM Duramax 6.6L LLY LBZ LMM 2004.5-2010. AUTOPROSUPPLY123. Additional Fuel Injection Parts. AM-IRK-973-FBR.
eBay
Free shipping
$38.99
Diesel Injector Fuel Return Line For GM Duramax 6.6L LLY LBZ LMM 2004.5-2010. AUTOPROSUPPLY123. Additional Fuel Injection Parts. AM-IRK-973-FBR.
eBay