Shop LLY Injector Harness

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$255.99
$285.10
2004-2005 Duramax LLY Injector Harness Repair Kit
Dieselogic
10% off
$255.99
$285.10
2004-2005 Duramax LLY Injector Harness Repair Kit
Dieselogic
$1,399.99
$1,499.99
2004.5-2005 Duramax LLY Injector Replacement Kit - Refurbished
InjectorsDirect.com
$1,399.99
$1,499.99
2004.5-2005 Duramax LLY Injector Replacement Kit - Refurbished
InjectorsDirect.com
$399.95
LB7 2001-2004 Chevy/Duramax 6.6L Diesel Inner Injector Wire Harness Set
Dieselogic
$399.95
LB7 2001-2004 Chevy/Duramax 6.6L Diesel Inner Injector Wire Harness Set
Dieselogic
$109.95
$140.95
LB7 2001-2004 Chevy/Duramax 6.6L Diesel Inner Injector Wire Harness
Dieselogic
21% off
$109.95
$140.95
LB7 2001-2004 Chevy/Duramax 6.6L Diesel Inner Injector Wire Harness
Dieselogic
$42.99
FICM Engine Fuel Injector Complete Wiring Harness | For Ford 6.0L Powerstroke Diesel | 2003-2007 F250 F350 F450 F550, 2004-2005 Excursion | Replace
Amazon.com
Free shipping
$42.99
FICM Engine Fuel Injector Complete Wiring Harness | For Ford 6.0L Powerstroke Diesel | 2003-2007 F250 F350 F450 F550, 2004-2005 Excursion | Replace
Amazon.com
$37.32
04.5-05 GM LLY 6.6L Duramax Merchant Injector Harness Pigtail
Pure Diesel Power
$37.32
04.5-05 GM LLY 6.6L Duramax Merchant Injector Harness Pigtail
Pure Diesel Power
$77.39
2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
Free shipping
$77.39
2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
$112.50
04.5-05 GM 6.6L LLY Duramax BTR Fuel Injector Harness Upgrade Kit
Pure Diesel Power
$112.50
04.5-05 GM 6.6L LLY Duramax BTR Fuel Injector Harness Upgrade Kit
Pure Diesel Power
$49.99
Injector Harness Pigtail For LM2/LZ0 3.0L Duramax
Diesel Auto Power - July 7th 2025
5
$49.99
Injector Harness Pigtail For LM2/LZ0 3.0L Duramax
Diesel Auto Power - July 7th 2025
$328.25
04.5-05 GM 6.6L Duramax Factory Injector Harness Upgrade Kit
Pure Diesel Power
$328.25
04.5-05 GM 6.6L Duramax Factory Injector Harness Upgrade Kit
Pure Diesel Power
$232.95
04.5-05 GM 6.6L Duramax LLY Dorman Injector Harness Repair Kit
Pure Diesel Power
$232.95
04.5-05 GM 6.6L Duramax LLY Dorman Injector Harness Repair Kit
Pure Diesel Power
$13.38
Duramax Lly Lbz Llm Fuel Injector Connector Harness 6.6L Chevrolet Gmc
eBay
8
Free shipping
$13.38
Duramax Lly Lbz Llm Fuel Injector Connector Harness 6.6L Chevrolet Gmc
eBay
$16.59
$18.03
8Pcs Fuel Injector Plug Connector Harness For Chevy C 6.6L Duramax Lly
eBay
2
Free shipping
$16.59
$18.03
8Pcs Fuel Injector Plug Connector Harness For Chevy C 6.6L Duramax Lly
eBay
$399.99
$404.00
2004.5-2005 Duramax LLY Fuel Injectors - Bosch OEM New - Quantity: Single
InjectorsDirect.com
$399.99
$404.00
2004.5-2005 Duramax LLY Fuel Injectors - Bosch OEM New - Quantity: Single
InjectorsDirect.com
$95.01
Injector Wiring Harness 4022870 For Cummins Ism Qsm M11 Doosan
eBay
Free shipping
$95.01
Injector Wiring Harness 4022870 For Cummins Ism Qsm M11 Doosan
eBay
$117.82
Abet-Engine Injector Wiring Harness Injector Wiring Harness Injector
eBay
$117.82
Abet-Engine Injector Wiring Harness Injector Wiring Harness Injector
eBay
$62.99
2004.5-2005 Duramax LLY Injector Repair Pigtail - Single Pigtail - USA Made
DHD
$62.99
2004.5-2005 Duramax LLY Injector Repair Pigtail - Single Pigtail - USA Made
DHD
$251.15
Dorman Injector Harness Repair Kit For 2004.5-2005 Gm 6.6L Duramax Lly 904-138
SWAGPERFORMANCEPARTS
$251.15
Dorman Injector Harness Repair Kit For 2004.5-2005 Gm 6.6L Duramax Lly 904-138
SWAGPERFORMANCEPARTS
$89.95
2017-2022 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
$89.95
2017-2022 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
$22.99
Cummins Celect Injector Wiring Harness
Dieselogic
$22.99
Cummins Celect Injector Wiring Harness
Dieselogic
$9.80
2Pcs Fuel Injector Connector Harness For 6.6L Duramax Lly Lbz Llm
eBay
Free shipping
$9.80
2Pcs Fuel Injector Connector Harness For 6.6L Duramax Lly Lbz Llm
eBay
$251.15
Dorman Injector Harness Repair Kit For 2004.5-2005 Gm 6.6L Duramax Lly
eBay
$251.15
Dorman Injector Harness Repair Kit For 2004.5-2005 Gm 6.6L Duramax Lly
eBay
$8.77
8X Fuel Injector Connector Harness For Chevrolet Gmc 6.6L Duramax Lly
eBay
Free shipping
$8.77
8X Fuel Injector Connector Harness For Chevrolet Gmc 6.6L Duramax Lly
eBay
$399.99
04.5-05 Chevy Silverado/GMC Sierra Duramax LLY ENGINE FICM INJECTOR WIRE HARNESS
eBay
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$399.99
04.5-05 Chevy Silverado/GMC Sierra Duramax LLY ENGINE FICM INJECTOR WIRE HARNESS
eBay
$9.99
2X Connector For Duramax LLY LBZ LLM 6.6L Diesel Fuel Injector Harness Chevy GMC. Partscollect. Additional Fuel Injection Parts. 715668830486.
eBay
2
Free shipping
$9.99
2X Connector For Duramax LLY LBZ LLM 6.6L Diesel Fuel Injector Harness Chevy GMC. Partscollect. Additional Fuel Injection Parts. 715668830486.
eBay
$9.99
Fuel Injector Connector Harness LLY LBZ LLM 6.6L For Chevrolet GMC Duramax. Azpartspro. Additional Fuel Injection Parts. 710414409015.
eBay
Free shipping
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Fuel Injector Connector Harness LLY LBZ LLM 6.6L For Chevrolet GMC Duramax. Azpartspro. Additional Fuel Injection Parts. 710414409015.
eBay
$119.00
$129.95
2003-2007 FORD 6.0L FUEL INJECTOR WIRING HARNESS
Dieselogic
$119.00
$129.95
2003-2007 FORD 6.0L FUEL INJECTOR WIRING HARNESS
Dieselogic
$79.99
06-10 GM 6.6L LLY LBZ LMM Duramax Fleece Rail Pressure Sensor Harness
Pure Diesel Power
$79.99
06-10 GM 6.6L LLY LBZ LMM Duramax Fleece Rail Pressure Sensor Harness
Pure Diesel Power
$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
$124.18
Geniune Cummins Injector Wire Harness
Diesel Auto Power - July 7th 2025
$124.18
Geniune Cummins Injector Wire Harness
Diesel Auto Power - July 7th 2025
$14.25
Labwork Fuel Injector Connector Pigtail Harness Replacement For Universal 6.6L Duramax LLY LBZ 8 Pcs
Walmart
Free shipping
$14.25
Labwork Fuel Injector Connector Pigtail Harness Replacement For Universal 6.6L Duramax LLY LBZ 8 Pcs
Walmart
$16.49
$29.98
For 2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
Free shipping
44% off
$16.49
$29.98
For 2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
$189.00
International Navistar DT Injector Wiring Harness 1995-2003: OEM 1889905C92 - Tamerx 1889905TX
TamerX
$189.00
International Navistar DT Injector Wiring Harness 1995-2003: OEM 1889905C92 - Tamerx 1889905TX
TamerX
$170.69
Agkits Caterpillar Fuel Injector Wiring Harness Assembly, 4190841, CTP
Agkits
$170.69
Agkits Caterpillar Fuel Injector Wiring Harness Assembly, 4190841, CTP
Agkits
$399.00
Cummins ISX15, X15 Injector Wiring Harness 2011-2019: OEM 3686370 - Tamerx 3686370
TamerX
$399.00
Cummins ISX15, X15 Injector Wiring Harness 2011-2019: OEM 3686370 - Tamerx 3686370
TamerX
$64.71
Partsflow 2X Main Pigtail Type With 2 Fuel Injector Harnesses Type For 7.3L V8 Power Stroke Diesel Engines With Direct Injection OE615-202, K-6584-A2
Amazon.com
6
Free shipping
$64.71
Partsflow 2X Main Pigtail Type With 2 Fuel Injector Harnesses Type For 7.3L V8 Power Stroke Diesel Engines With Direct Injection OE615-202, K-6584-A2
Amazon.com
CUMMINS INJECTOR INSTALL
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Common Problem with LLY Duramax - *FIXED*
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How To Remove - LML Duramax Fuel Return Lines
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Shop LLY Injector Harness

Sponsored
About our ads
$255.99
$285.10
2004-2005 Duramax LLY Injector Harness Repair Kit
Dieselogic
10% off
$255.99
$285.10
2004-2005 Duramax LLY Injector Harness Repair Kit
Dieselogic
$1,399.99
$1,499.99
2004.5-2005 Duramax LLY Injector Replacement Kit - Refurbished
InjectorsDirect.com
$1,399.99
$1,499.99
2004.5-2005 Duramax LLY Injector Replacement Kit - Refurbished
InjectorsDirect.com
$399.95
LB7 2001-2004 Chevy/Duramax 6.6L Diesel Inner Injector Wire Harness Set
Dieselogic
$399.95
LB7 2001-2004 Chevy/Duramax 6.6L Diesel Inner Injector Wire Harness Set
Dieselogic
$109.95
$140.95
LB7 2001-2004 Chevy/Duramax 6.6L Diesel Inner Injector Wire Harness
Dieselogic
21% off
$109.95
$140.95
LB7 2001-2004 Chevy/Duramax 6.6L Diesel Inner Injector Wire Harness
Dieselogic
$42.99
FICM Engine Fuel Injector Complete Wiring Harness | For Ford 6.0L Powerstroke Diesel | 2003-2007 F250 F350 F450 F550, 2004-2005 Excursion | Replace
Amazon.com
Free shipping
$42.99
FICM Engine Fuel Injector Complete Wiring Harness | For Ford 6.0L Powerstroke Diesel | 2003-2007 F250 F350 F450 F550, 2004-2005 Excursion | Replace
Amazon.com
$37.32
04.5-05 GM LLY 6.6L Duramax Merchant Injector Harness Pigtail
Pure Diesel Power
$37.32
04.5-05 GM LLY 6.6L Duramax Merchant Injector Harness Pigtail
Pure Diesel Power
$77.39
2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
Free shipping
$77.39
2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
$112.50
04.5-05 GM 6.6L LLY Duramax BTR Fuel Injector Harness Upgrade Kit
Pure Diesel Power
$112.50
04.5-05 GM 6.6L LLY Duramax BTR Fuel Injector Harness Upgrade Kit
Pure Diesel Power
$49.99
Injector Harness Pigtail For LM2/LZ0 3.0L Duramax
Diesel Auto Power - July 7th 2025
5
$49.99
Injector Harness Pigtail For LM2/LZ0 3.0L Duramax
Diesel Auto Power - July 7th 2025
$328.25
04.5-05 GM 6.6L Duramax Factory Injector Harness Upgrade Kit
Pure Diesel Power
$328.25
04.5-05 GM 6.6L Duramax Factory Injector Harness Upgrade Kit
Pure Diesel Power
$232.95
04.5-05 GM 6.6L Duramax LLY Dorman Injector Harness Repair Kit
Pure Diesel Power
$232.95
04.5-05 GM 6.6L Duramax LLY Dorman Injector Harness Repair Kit
Pure Diesel Power
$13.38
Duramax Lly Lbz Llm Fuel Injector Connector Harness 6.6L Chevrolet Gmc
eBay
8
Free shipping
$13.38
Duramax Lly Lbz Llm Fuel Injector Connector Harness 6.6L Chevrolet Gmc
eBay
$16.59
$18.03
8Pcs Fuel Injector Plug Connector Harness For Chevy C 6.6L Duramax Lly
eBay
2
Free shipping
$16.59
$18.03
8Pcs Fuel Injector Plug Connector Harness For Chevy C 6.6L Duramax Lly
eBay
$399.99
$404.00
2004.5-2005 Duramax LLY Fuel Injectors - Bosch OEM New - Quantity: Single
InjectorsDirect.com
$399.99
$404.00
2004.5-2005 Duramax LLY Fuel Injectors - Bosch OEM New - Quantity: Single
InjectorsDirect.com
$95.01
Injector Wiring Harness 4022870 For Cummins Ism Qsm M11 Doosan
eBay
Free shipping
$95.01
Injector Wiring Harness 4022870 For Cummins Ism Qsm M11 Doosan
eBay
$117.82
Abet-Engine Injector Wiring Harness Injector Wiring Harness Injector
eBay
$117.82
Abet-Engine Injector Wiring Harness Injector Wiring Harness Injector
eBay
$62.99
2004.5-2005 Duramax LLY Injector Repair Pigtail - Single Pigtail - USA Made
DHD
$62.99
2004.5-2005 Duramax LLY Injector Repair Pigtail - Single Pigtail - USA Made
DHD
$251.15
Dorman Injector Harness Repair Kit For 2004.5-2005 Gm 6.6L Duramax Lly 904-138
SWAGPERFORMANCEPARTS
$251.15
Dorman Injector Harness Repair Kit For 2004.5-2005 Gm 6.6L Duramax Lly 904-138
SWAGPERFORMANCEPARTS