DNJ
DNJ Timing Belt Idler 1991-1997 Chevrolet, Oldsmobile, Pontiac 3.4L
DNJ Timing Belt Idler 1991-1997 Chevrolet, Oldsmobile, Pontiac 3.4L
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Listed for: 1991–1997 Chevrolet, Oldsmobile and PontiacFitment notes & questions
DNJ Timing Belt Idler, listed for 1991–1997 Chevrolet, Oldsmobile and Pontiac with the 3.4L engine. The timing belt keeps the crankshaft and camshafts turning in step, so the valves open at exactly the right moment.
Quick facts
- Brand: DNJ
- Part type: Timing belt
- Listed for: 1991–1997 Chevrolet, Oldsmobile and Pontiac
- Engine: 3.4L
- Engine code: VIN X 24V DOHC
- Part number: TBT3112B
Listed fitment
- [1991-1997] GM / V6 / 3.4L / 207 DOHC 24V
Good to know
- 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: Replace the tensioner and idler pulleys with the belt, and double-check the timing marks before the first start.
DNJ timing belt for the Chevrolet, Oldsmobile and Pontiac: what to know
Timing belts wear with age and miles. On many engines a broken belt can bend valves, so it is replaced on a schedule.
Fitment notes
- Listed for: 1991–1997 Chevrolet, Oldsmobile and Pontiac.
- Model years: 1991–1997. If your year sits at the edge of the range, check the details above.
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- 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? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentWhat else to plan for
- Water pump. On many engines the belt drives the water pump, so replace it while you are in there.
- Cam and crank seals. Leaking front seals can ruin a new belt.
- Tensioner and idlers. A worn tensioner is a common reason belts fail early.
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