DNJ
DNJ 2007 Chevrolet Trailblazer 4.2L Oil Pump Repair Kit
DNJ 2007 Chevrolet Trailblazer 4.2L Oil Pump Repair Kit
Part number: OPK3138_53
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- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Chevrolet Trailblazer 4.2LFitment notes & questions
DNJ 2007 Chevrolet Trailblazer 4.2L Oil Pump Repair Kit, listed for 2007 Chevrolet Trailblazer with the 4.2L engine. Oil pumps are usually replaced during an engine rebuild or when pressure drops, together with the pickup screen.
Quick facts
- Brand: DNJ
- Part type: Oil pump
- Listed for: 2007 Chevrolet Trailblazer
- Engine: 4.2L
- Engine code: VIN S Vortec 24V DOHC
- Part number: OPK3138_53
Listed fitment
- [2002-2012] GM, ISUZU, SAAB / L4, L5, L6 / 2.8L, 2.9L, 3.5L, 3.7L, 4.2L / 169, 178, 211, 223, 256 DOHC 16V, 20V, 24V [(LK5, LL8, LLR, LLV, VORTEC)]
Good to know
- Notes: LL8, w/ Updated 2nd Design Front Cover; Must Use w/ Updated 2nd Design Oil Pick Up
- Warranty terms: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
Tip: Prime the new pump with oil before installation so it picks up quickly on first start.

Before you order: Chevrolet Trailblazer 4.2L oil pump fitment
The oil pump pushes oil to the bearings, cam and valvetrain, building the pressure the engine needs to survive.
Fitment notes
- Listed for: Chevrolet Trailblazer 4.2L.
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- Specs, lead time and warranty come from DNJ and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentPlan the whole job
- Oil pan gasket. The pan usually comes off for this job.
- Oil and filter. Start fresh after the job.
More for your car: Chevrolet Oil Pumps · Chevrolet Parts · All Oil Pumps · Engine
Questions about Chevrolet Trailblazer 4.2L oil pump
Will this fit my Chevrolet Trailblazer 4.2L?
What causes low oil pressure?
Where do specs and warranty details come from?
Questions & answers
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