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Thoroughbred Diesel has been your online performance headquarters since 2002. We know how to get the most performance out of your pickup truck and offer all of today's most popular diesel performance products.
Brakes
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Thoroughbred Diesel offers OEM and diesel stock parts for your diesel pickup truck. At Thoroughbred Diesel, you can buy stock diesel replacement parts such as injectors, fuel pumps, ball joints, track bars, turbos, and more for your diesel truck.
Injection Pump
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Make heads turn with custom truck accessories from Thoroughbred Diesel.
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Thoroughbred Sku #: CUM3937438 Manufacturer Sku #: 3937438
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$13.95
1989 - 1993 Dodge D250
1989 - 1993 Dodge D350
1989 - 1993 Dodge W250
1989 - 1993 Dodge W350
1994 - 1998 Dodge Ram 2500
1994 - 1998 Dodge Ram 3500
Product Name: Cummins Rocker Arm Adjuster Screw - 1989-1998 Dodge Cummins 5.9L Manufacturer: Cummins Manufacturer Part #: 3937438 Thoroughbred Diesel Part #: CUM3937438 Fitment Notes: 1989-1998 Dodge Cummins 5.9L
Cummins 3937438 Rocker Arm Adjuster Screw for 1989-1998 Dodge Cummins 5.9L diesels. Cummins OE replacement parts deliver legendary reliability that is unmatched. For a long service life, each part is made from only the highest quality materials. Cummins OE parts provides you with one of the most reliable and trusted names in the diesel industry.
Cummins Rocker Arm Adjuster Screw Features: