Camshaft Gear 8973286430 For ISUZU D-MAX 4JJ1 4JK1 35 Teeth Timing Gear 8

Features & Advantages 

• OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function.

• 35 Precision-Cut Teeth: Exact tooth count and profile ensure proper mesh with the timing chain or mating gears.

• High-Strength Forged Steel: Durable alloy steel withstands high torque loads and continuous rotation.

• Hardened and Ground Gear Profile: Heat-treated and precision-ground teeth provide exceptional wear resistance and quiet operation.

• Precision-Machined Center Bore: Exact bore and keyway dimensions ensure a perfect fit on the camshaft.

• Restores Valve Timing: Eliminates timing gear noise and performance issues caused by a worn or damaged gear.

• Direct Replacement: Matches OE gear dimensions, tooth count (35T), and mounting configuration.

• Long Service Life: Engineered for light-duty commercial diesel engine applications.

• Essential Engine Component: Critical for maintaining proper valve timing and engine performance.

• Cost-Effective Repair: Affordable replacement that prevents costly timing gear and engine damage.

• Wide Compatibility: Suitable for multiple ISUZU models using the 4JJ1 and 4JK1 engine family. 

  

Vehicle & Engine Compatibility

This camshaft gear is specifically designed for ISUZU vehicles using the 4JJ1 and 4JK1 engine family. Common applications include:

• ISUZU D-MAX (Pickup Truck) — 2.5L and 3.0L Diesel Models

• ISUZU MU-7 (SUV) — 3.0L Diesel Models

• ISUZU Rodeo (Pickup Truck) — 3.0L Diesel Models

• ISUZU TFR/TFS (Pickup Truck) — with 4JJ1/4JK1 engine

• ISUZU N800 (Commercial Truck) — with 4JJ1 engine

• ISUZU 4D30 — as cross-reference applicable

Engine Specifications:

• ISUZU 4JJ1 — 3.0L Inline-4 Turbo Diesel

• ISUZU 4JK1 — 2.5L Inline-4 Turbo Diesel

• Fuel Type: Diesel

• Application: Pickups, SUVs, and commercial vehicles

Installation Notes

Professional engine builder or mechanic installation is strongly recommended:

1. Ensure engine is cool – Allow the engine to cool completely before disassembly.

2. Disconnect battery – Always disconnect the negative terminal before working.

3. Drain engine oil – Drain the engine oil into a suitable container.

4. Remove timing chain cover – Remove the timing chain cover to access the camshaft gear and timing chain.

5. Set engine to TDC – Rotate the crankshaft to set the No. 1 cylinder to top dead center (TDC) on the compression stroke. Align all timing marks.

6. Remove timing chain – Remove the timing chain tensioner and carefully remove the timing chain from the camshaft gear.

7. Remove the old camshaft gear – Use a proper gear puller to remove the old gear from the camshaft. Do not pry or hammer on the gear teeth.

8. Inspect the camshaft – Check the camshaft keyway and mounting surface for wear, scoring, or damage; replace if necessary.

9. Clean all components – Thoroughly clean the camshaft, timing chain, and related components; remove all old oil and debris.

10. Install the new camshaft gear – Align the keyway with the camshaft key and press the new gear onto the camshaft using a proper driver. Ensure it is fully seated.

11. Install the timing chain – Route the timing chain around the camshaft gear and crankshaft gear according to the timing marks. Ensure all marks are aligned.

12. Install timing chain tensioner – Install and adjust the timing chain tensioner to specification.

13. Check timing marks – Verify all timing marks are correctly aligned per manufacturer specifications.

14. Reinstall timing chain cover – Install a new gasket and reinstall the timing chain cover; torque bolts to specification.

15. Refill with engine oil – Fill with the correct grade and quantity of engine oil.

16. Start and test – Start the engine; listen for abnormal timing noise and verify proper engine operation.

17. Road test – Test drive to verify proper engine performance and no abnormal noise or vibration.

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