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Merchant Automotive 10409 Fuel Injector Seal and Return Line Kit

Merchant Automotive
Only 1 left!

Add the Merchant Automotive 10409 Fuel Injector Seal and Return Line Kit from GAP to your 2001-2004 GM 6.6L Duramax LB7. This kit is an OE-style re...

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$32.34 - $32.34
$32.34
$32.34 - $32.34
$32.34
$9.72 - $9.72
$9.72
$9.72 - $9.72
$9.72

Merchant Automotive 10412 Fuel Injector Body Seal Set

Merchant Automotive
Ships Directly From The Manufacturer

Find the Merchant Automotive 10412 Fuel Injector Body Seal Set at GAP for your GM 6.6L Duramax today. This is a set of 8 injector seals designed to...

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$9.72 - $9.72
$9.72
$9.72 - $9.72
$9.72
$9.72 - $9.72
$9.72
$9.72 - $9.72
$9.72

Merchant Automotive 10413 Fuel Injector Return Line Seals

Merchant Automotive
Ships Directly From The Manufacturer

Purchase the Merchant Automotive 10413 Fuel Injector Return Line Seals from GAP for your GM 6.6L Duramax LML today. Every time the fuel injector re...

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$9.72 - $9.72
$9.72
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$9.72
$82.63 - $82.63
$82.63
$82.63 - $82.63
$82.63

Merchant Automotive 10418 Off-Road Lower Control Arm Bump Stop Kit

Merchant Automotive
Ships Directly From The Manufacturer

GAP has the Merchant Automotive 10418 Off-Road Lower Control Arm Bump Stop Kit it that will replace the deteriorated bump stops in your 2001-2010 G...

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$82.63 - $82.63
$82.63
$82.63 - $82.63
$82.63
$117.72 - $117.72
$117.72
$117.72 - $117.72
$117.72

Merchant Automotive 10428 Engine Coolant Thermostat Kit

Merchant Automotive
Only 2 left!

GAP has the Merchant Automotive 10428 Engine Coolant Thermostat Kit that will replace the stuck thermostats in your 2001-2010 GM 6.6L Duramax. A bl...

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$117.72 - $117.72
$117.72
$117.72 - $117.72
$117.72
$1,184.72 - $1,184.72
$1,184.72
$1,184.72 - $1,184.72
$1,184.72

Merchant Automotive 10445 Master Engine Gasket Kit

Merchant Automotive
Ships Directly From The Manufacturer

Order the Merchant Automotive 10445 Master Engine Gasket Kit from GAP for your GM 6.6L Duramax LML today. Don't waste time trying to locate all the...

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$1,184.72 - $1,184.72
$1,184.72
$1,184.72 - $1,184.72
$1,184.72
$247.72 - $247.72
$247.72
$247.72 - $247.72
$247.72

Merchant Automotive 10447 Fuel Pressure Regulator Kit

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10447 Fuel Pressure Regulator Kit from GAP is a direct-fit replacement for your 2004.5-2005 GM 6.6L Duramax LLY. A common s...

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$247.72 - $247.72
$247.72
$247.72 - $247.72
$247.72
$274.34 - $274.34
$274.34
$274.34 - $274.34
$274.34

Merchant Automotive 10448 Fuel Pressure Regulator Kit

Merchant Automotive
Ships Directly From The Manufacturer

Purchase the Merchant Automotive 10448 Fuel Pressure Regulator Kit from GAP for your vehicle today. Repair a surging or lopey idle with a new fuel ...

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$274.34 - $274.34
$274.34
$274.34 - $274.34
$274.34
$89.93 - $89.93
$89.93
$89.93 - $89.93
$89.93

Merchant Automotive 10452 Glow Plug Removal Tool Kit

Merchant Automotive
Only 1 left!

Pick up the Merchant Automotive 10448 Fuel Pressure Regulator Kit from GAP for your vehicle today. Glow Plug removal can seem straightforward but i...

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$89.93 - $89.93
$89.93
$89.93 - $89.93
$89.93
$369.34 - $369.34
$369.34
$369.34 - $369.34
$369.34

Merchant Automotive 10453 Deluxe Glow Plug Replacement Kit

Merchant Automotive
Ships Directly From The Manufacturer

Find the Merchant Automotive 10453 Deluxe Glow Plug Replacement Kit at GAP for your vehicle today. Glow Plug removal can seem straightforward, but ...

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$369.34 - $369.34
$369.34
$369.34 - $369.34
$369.34
$354.33 - $354.33
$354.33
$354.33 - $354.33
$354.33

Merchant Automotive 10454 Deluxe Glow Plug Replacement Kit

Merchant Automotive
Ships Directly From The Manufacturer

Get the Merchant Automotive 10454 Deluxe Glow Plug Replacement Kit from GAP for your vehicle today. Glow Plug removal can seem straightforward, but...

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$354.33 - $354.33
$354.33
$354.33 - $354.33
$354.33
$20.63 - $20.63
$20.63
$20.63 - $20.63
$20.63

Merchant Automotive 10457 High Idle Kit

Merchant Automotive
Only 1 left!

The Merchant Automotive 10457 High Idle Kit gives you full manual control of the elevated idle on your 2001-2004 GM 6.6L Duramax LB7. This high idl...

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$20.63 - $20.63
$20.63
$20.63 - $20.63
$20.63
$20.63 - $20.63
$20.63
$20.63 - $20.63
$20.63

Merchant Automotive 10458 High Idle Kit

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10458 High Idle Kit allows full manual control of the elevated idle in your 2004.5-2005 GM 6.6L Duramax LLY. This high idle...

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$20.63 - $20.63
$20.63
$20.63 - $20.63
$20.63
$19.72 - $19.72
$19.72
$19.72 - $19.72
$19.72

Merchant Automotive 10459 Fuel Filter Head Rebuild Kit

Merchant Automotive
Only 8 left!

The Merchant Automotive 10459 Fuel Filter Head Rebuild Kit for your 2011-2016 GM 6.6L Duramax allows you to rebuild your leaking Fuel Filter Head. ...

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$19.72 - $19.72
$19.72
$19.72 - $19.72
$19.72
$61.63 - $61.63
$61.63
$61.63 - $61.63
$61.63

Merchant Automotive 10460 Starter Solenoid

Merchant Automotive
Ships Directly From The Manufacturer

Order the Merchant Automotive 10460 Starter Solenoid from GAP for your vehicle today. If you have broken or damaged terminals on your starter, you ...

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$61.63 - $61.63
$61.63
$61.63 - $61.63
$61.63
$159.93 - $159.93
$159.93
$159.93 - $159.93
$159.93

Merchant Automotive 10461 Deluxe Transfer Case Bearing & Seal Kit

Merchant Automotive
Ships Directly From The Manufacturer

Purchase the Merchant Automotive 10461 Deluxe Transfer Case Bearing & Seal Kit from GAP for your vehicle today. If you want to refresh your tra...

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$159.93 - $159.93
$159.93
$159.93 - $159.93
$159.93
$195.93 - $195.93
$195.93
$195.93 - $195.93
$195.93

Merchant Automotive 10464 Deluxe Bearing & Seal Kit

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10464 Deluxe Bearing & Seal Kit for your 2001-2007 GM 6.6L Duramax is the perfect option for those wanting to refresh t...

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$195.93 - $195.93
$195.93
$195.93 - $195.93
$195.93
$62.93 - $62.93
$62.93
$62.93 - $62.93
$62.93

Merchant Automotive 10468 Deluxe Transfer Case Seal Kit

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10468 Deluxe Transfer Case Seal Kit comes with all the seals you need when rebuilding transfer case in your 2001-2007 GM 6....

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$62.93 - $62.93
$62.93
$62.93 - $62.93
$62.93
$59.72 - $59.72
$59.72
$59.72 - $59.72
$59.72

Merchant Automotive 10470 Deluxe Fuel Filter Head Rebuild Kit

Merchant Automotive
Ships Directly From The Manufacturer

Pick up the Merchant Automotive 10470 Deluxe Fuel Filter Head Rebuild Kit from GAP for your GM 6.6L Duramax today. This kit is the ultimate kit to ...

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$59.72 - $59.72
$59.72
$59.72 - $59.72
$59.72
$134.24 - $134.24
$134.24
$134.24 - $134.24
$134.24

Merchant Automotive 10471 Master Fuel Filter Head Rebuild Kit

Merchant Automotive
Ships Directly From The Manufacturer

Get the Merchant Automotive 10471 Master Fuel Filter Head Rebuild Kit from GAP for your vehicle today. Save money by getting this bundle and get ev...

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$134.24 - $134.24
$134.24
$134.24 - $134.24
$134.24
$37.72 - $37.72
$37.72
$37.72 - $37.72
$37.72

Merchant Automotive 10472 PCV Valve Kit

Merchant Automotive
Only 6 left!

Grab the Merchant Automotive 10472 PCV Valve Kit from GAP for your vehicle today. The factory air separator can fail due to the PCV valve becoming ...

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$37.72 - $37.72
$37.72
$37.72 - $37.72
$37.72
$49.72 - $49.72
$49.72
$49.72 - $49.72
$49.72

Merchant Automotive 10473 Glow Plug Removal Tool Adapter & Socket Set

Merchant Automotive
Ships Directly From The Manufacturer

Purchase the Merchant Automotive 10473 Glow Plug Removal Tool Adapter & Socket Set from GAP for your GM 6.6L Duramax today. These tools combine...

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$49.72 - $49.72
$49.72
$49.72 - $49.72
$49.72
$84.34 - $84.34
$84.34
$84.34 - $84.34
$84.34

Merchant Automotive 10478 Polyurethane Transmission Mount

Merchant Automotive
Ships Directly From The Manufacturer

Find the Merchant Automotive 10478 Polyurethane Transmission Mount at GAP and install it on your vehicle today. A great compliment to our heavy-dut...

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$84.34 - $84.34
$84.34
$84.34 - $84.34
$84.34
$79.72 - $79.72
$79.72
$79.72 - $79.72
$79.72

Merchant Automotive 10479 Exhaust Manifold To Cylinder Head Bolt Set

Merchant Automotive
Only 3 left!

Order the Merchant Automotive 10479 Exhaust Manifold To Cylinder Head Bolt Set from GAP for your GM 6.6L Duramax today. Replace your rusted, broken...

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$79.72 - $79.72
$79.72
$79.72 - $79.72
$79.72
$39.72 - $39.72
$39.72
$39.72 - $39.72
$39.72

Merchant Automotive 10480 Injector Harness Pigtail

Merchant Automotive
Only 3 left!

The Merchant Automotive 10480 Injector Harness Pigtail is a will get your 2004.5-2005 GM 6.6L Duramax LLY back up and running again. This pigtail i...

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$39.72 - $39.72
$39.72
$39.72 - $39.72
$39.72
$83.72 - $83.72
$83.72
$83.72 - $83.72
$83.72

Merchant Automotive 10481 Oil Cooler Installation Kit

Merchant Automotive
Ships Directly From The Manufacturer

Purchase the Merchant Automotive 10481 Oil Cooler Installation Kit from GAP when you need to install a new oil cooler onto your 2011-2016 GM 6.6L D...

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$83.72 - $83.72
$83.72
$83.72 - $83.72
$83.72
$99.72 - $99.72
$99.72
$99.72 - $99.72
$99.72

Merchant Automotive 10482 Engine Oil Cooler Seal & Gasket Set

Merchant Automotive
Only 2 left!

Purchase the Merchant Automotive 10482 Engine Oil Cooler Seal & Gasket Set from GAP for your GM 6.6L Duramax today. This kit comes complete wit...

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$99.72 - $99.72
$99.72
$99.72 - $99.72
$99.72
$10.72 - $10.72
$10.72
$10.72 - $10.72
$10.72

Merchant Automotive 10491-1 Heavy Duty Injector Return Line Bolt

Merchant Automotive
Only 8 left!

GAP carries the Merchant Automotive 10491-1 Heavy Duty Injector Return Line Bolt will replace the broken bolt on your vehicle. With the shallow hea...

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$10.72 - $10.72
$10.72
$10.72 - $10.72
$10.72
$474.74 - $474.74
$474.74
$474.74 - $474.74
$474.74

Merchant Automotive 10494 Stock Replacement Engine Mounts

Merchant Automotive
Ships Directly From The Manufacturer

Pick up the Merchant Automotive 10494 Motor Mount Set from GAP to minimize noise, vibration, and harshness (NHV) in your vehicle today. As the stoc...

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$474.74 - $474.74
$474.74
$474.74 - $474.74
$474.74
$89.92 - $89.92
$89.92
$89.92 - $89.92
$89.92

Merchant Automotive 10496 NSBU Switch Connector Repair Kit

Merchant Automotive
Ships Directly From The Manufacturer

Order the Merchant Automotive 10496 NSBU Switch Connector Repair Kit from GAP for your GM 6.6L Duramax LB7 today. This kit comes with everything ne...

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$89.92 - $89.92
$89.92
$89.92 - $89.92
$89.92
$289.94 - $289.94
$289.94
$289.94 - $289.94
$289.94

Merchant Automotive 10499 NSBU Switch With Connector Repair Kit

Merchant Automotive
Ships Directly From The Manufacturer

Purchase the Merchant Automotive 10499 NSBU Switch With Connector Repair Kit from GAP for your GM 6.6L Duramax LB7 today. This kit comes with conne...

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$289.94 - $289.94
$289.94
$289.94 - $289.94
$289.94
$116.72 - $116.72
$116.72
$116.72 - $116.72
$116.72

Merchant Automotive 10506 CP3 Fuel Injection Pump Install Gasket Kit

Merchant Automotive
Only 1 left!

The Merchant Automotive 10506 CP3 Fuel Injection Pump Install Gasket Kit from GAP is a must-have when replacing a CP3 pump on your 2001-2004 GM 6.6...

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$116.72 - $116.72
$116.72
$116.72 - $116.72
$116.72
$97.72 - $97.72
$97.72
$97.72 - $97.72
$97.72

Merchant Automotive 10507 Oil Cooler Seal & Gasket Kit

Merchant Automotive
Only 2 left!

Ensure you pick up the Merchant Automotive 10507 Oil Cooler Seal & Gasket Kit from GAP when replacing the faulty oil cooler on your 2001-2010 G...

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$97.72 - $97.72
$97.72
$97.72 - $97.72
$97.72
$9.72 - $9.72
$9.72
$9.72 - $9.72
$9.72

Merchant Automotive 10508 Diesel Fuel Additive

Merchant Automotive
Ships Directly From The Manufacturer

Grab the Merchant Automotive 10508 Diesel Fuel Additive from GAP for your vehicle today. This is a 16oz bottle of premium multi-benefit diesel fuel...

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$9.72 - $9.72
$9.72
$9.72 - $9.72
$9.72
$79.72 - $79.72
$79.72
$79.72 - $79.72
$79.72

Merchant Automotive 10512 Stainless Steel Tie Rod Sleeves

Merchant Automotive
Only 3 left!

The Merchant Automotive 10512 Stainless Steel Tie Rod Sleeves add durability to the front of your 2016-2022 GM Colorado/Canyon 2.8L Duramax LWN. Un...

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$79.72 - $79.72
$79.72
$79.72 - $79.72
$79.72
$117.72 - $117.72
$117.72
$117.72 - $117.72
$117.72

Merchant Automotive 10513 Engine Coolant Thermostat Kit

Merchant Automotive
Ships Directly From The Manufacturer

Get the Merchant Automotive 10513 Engine Coolant Thermostat Kit from GAP for your GM 6.6L Duramax today. Replace those failing thermostats and seal...

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$117.72 - $117.72
$117.72
$117.72 - $117.72
$117.72
$19.33 - $19.33
$19.33
$19.33 - $19.33
$19.33

Merchant Automotive 10514 Right Angle Grease Gun Adapter

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10514 Right Angle Grease Gun Adapter is a handy adapter that allows you to reach those hard to get fittings. This fitting w...

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$19.33 - $19.33
$19.33
$19.33 - $19.33
$19.33
$124.72 - $124.72
$124.72
$124.72 - $124.72
$124.72

Merchant Automotive 10518 Allison Pump Bushing Installer/Removal Tool

Merchant Automotive
Ships Directly From The Manufacturer

Add the Merchant Automotive 10518 Allison Pump Bushing Installer/Removal Tool from GAP to your toolbox for working on your 2001-2019 GM 6.6L Durama...

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$124.72 - $124.72
$124.72
$124.72 - $124.72
$124.72
$129.72 - $129.72
$129.72
$129.72 - $129.72
$129.72

Merchant Automotive 10520 Deluxe Injector Removal Tool

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10520 Deluxe Injector Removal Tool greatly eases the removal of the injectors in your 2001-2004 GM 6.6L Duramax LB7. Over t...

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$129.72 - $129.72
$129.72
$129.72 - $129.72
$129.72
$129.72 - $129.72
$129.72
$129.72 - $129.72
$129.72

Merchant Automotive 10521 Deluxe Injector Removal Tool

Merchant Automotive
Only 1 left!

The Merchant Automotive 10521 Deluxe Injector Removal Tool greatly eases the removal of the injectors in your 2004.5-2010 GM 6.6L Duramax. Heavy ca...

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$129.72 - $129.72
$129.72
$129.72 - $129.72
$129.72
$89.72 - $89.72
$89.72
$89.72 - $89.72
$89.72

Merchant Automotive 10522 Fuel Rail Pressure Sensor Wrench

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10522 Fuel Rail Pressure Sensor Wrench features a unique design that saves time when replacing the Fuel Rail Pressure Senso...

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$89.72 - $89.72
$89.72
$89.72 - $89.72
$89.72
$79.72 - $79.72
$79.72
$79.72 - $79.72
$79.72

Merchant Automotive 10526 Fuel Injector Cup Puller

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10526 Fuel Injector Cup Puller from GAP allows you to easily remove injector cup sleeves on your 2001-2004 GM 6.6L Duramax ...

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$79.72 - $79.72
$79.72
$79.72 - $79.72
$79.72
$279.75 - $279.75
$279.75
$279.75 - $279.75
$279.75

Merchant Automotive 10543 Water Pump (With Housing)

Merchant Automotive
Ships Directly From The Manufacturer

Replace the failing water pump in your 2006-2016 GM 6.6L Duramax with the Merchant Automotive 10543 Water Pump Kit (With Housing). Water pumps are ...

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$279.75 - $279.75
$279.75
$279.75 - $279.75
$279.75
$149.33 - $149.33
$149.33
$149.33 - $149.33
$149.33

Merchant Automotive 10548 Water Pump (Pump Only)

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10548 Water Pump is a direct fit replacement for the weeping water pump in your GM 6.6 Duramax LB7/LLY. Replace the water p...

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$149.33 - $149.33
$149.33
$149.33 - $149.33
$149.33
$279.75 - $279.75
$279.75
$279.75 - $279.75
$279.75

Merchant Automotive 10549 Water Pump (With Housing)

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10549 Water Pump (With Housing) is a high-quality replacement for the worn water pump your 2001-2005 GM 6.6L Duramax LB7/LL...

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$279.75 - $279.75
$279.75
$279.75 - $279.75
$279.75
$424.93 - $424.93
$424.93
$424.93 - $424.93
$424.93

Merchant Automotive 10550 High Performance Motor Mounts

Merchant Automotive
Ships Directly From The Manufacturer

The Merchant Automotive 10550 High Performance Motor Mounts from GAP are the ultimate mounts for your modified 2011-2016 GM 6.6L Duramax LML. For l...

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$424.93 - $424.93
$424.93
$424.93 - $424.93
$424.93
$129.23 - $129.23
$129.23
$129.23 - $129.23
$129.23

Merchant Automotive 10560 CP3 Fuel Injection Pump Install Gasket Kit

Merchant Automotive
Ships Directly From The Manufacturer

Find the Merchant Automotive 10560 CP3 Fuel Injection Pump Install Gasket Kit at GAP and install it on your vehicle today. When installing an injec...

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$129.23 - $129.23
$129.23
$129.23 - $129.23
$129.23
$176.23 - $176.23
$176.23
$176.23 - $176.23
$176.23

Merchant Automotive 10570 Rear Engine Cover Installation Kit

Merchant Automotive
Only 2 left!

Get the Merchant Automotive 10570 Rear Engine Cover Installation Kit from GAP for your vehicle today and experience the peace of mind of a leak-fre...

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$176.23 - $176.23
$176.23
$176.23 - $176.23
$176.23