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Description
Camshaft for Isuzu KB250D, KB280DT, D-Max, GWM Steed & Foton Thunda 4JA1 / 4JB1 (1987–) – CAM1003Vehicle Fitment & Part Details This Partquip CAM1003 camshaft is a direct fit replacement for the Isuzu KB250D KB280DT, Isuzu D Max (TFR TFS), Isuzu Frontier, GWM Steed 2. 8D, and Foton Thunda 2. 8D equipped with the 4JA1, 4JA1 L, 4JB1, 4JB1T, GW28TC2, and 493ZQ engines (1987 onwards), replacing OE numbers 5636043 and 8 94127797 4. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN engine chassis
Vehicle Fitment & Part Details
This Partquip CAM1003 camshaft is a direct-fit replacement for the Isuzu KB250D/KB280DT, Isuzu D-Max (TFR/TFS), Isuzu Frontier, GWM Steed 2.8D, and Foton Thunda 2.8D equipped with the 4JA1, 4JA1-L, 4JB1, 4JB1T, GW28TC2, and 493ZQ engines (1987 onwards), replacing OE numbers 5636043 and 8-94127797-4. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN/engine/chassis information where variants exist.
Key Details
- SKU
- CAM1003
- Component
- Camshaft
- Brand
- Partquip
- OEM References
-
- Isuzu: 5636043, 8-94127797-4
- Primary Fitment
- GWM Steed 2.8TCI (GW28TC2)(08-11)
Key Benefits
- Direct OE replacement (5636043 / 8-94127797-4) ensures correct valve timing across all listed Isuzu, GWM, and Foton applications.
- Covers the full Isuzu KB 4JA1/4JB1 diesel family from 1987 to 2021, plus GWM Steed and Foton Thunda.
Vehicle Fitment
| Make | Model | Variant | Engine | Years |
|---|---|---|---|---|
| Foton | Thunda | 2.8D | 493ZQ | 2010– |
| GWM | Steed | 2.8D 4X2 | GW28TC2 | 2008–2011 |
| Isuzu | D-Max (TFR/TFS) | 2.5 | 4JA1-L | 2018–2021 |
| Isuzu | Frontier | 2.8D | 4JB1 | – |
| Isuzu | KB250D | – | 4JA1 | 1987–2003 |
| Isuzu | KB250D | – | 4JA1-L | 2000–2007 |
| Isuzu | KB280DT | – | 4JB1T | 1993–2002 |
Specifications
- Gear Diameter: 42 mm (Frontier application)
- SKU: CAM1003
OE Reference Numbers
- Isuzu: 5636043, 8-94127797-4
To protect against excessive wear of the camshaft or cam followers it is essential that a high pressure cam lube is used for the initial assembly. Failure to do so voids any warranty.
Frequently Asked Questions
Which OE part numbers does the CAM1003 replace?
This camshaft replaces Isuzu OE numbers 5636043 and 8-94127797-4 across all listed applications.
Does the CAM1003 fit the GWM Steed?
Yes. The CAM1003 fits the GWM Steed 2.8D 4X2 with the GW28TC2 engine (2008–2011).
Installation Tips
- Follow the manufacturer’s workshop procedure for camshaft removal and installation, including correct timing gear alignment.
- Inspect cam lobes, journals, and bearing caps for wear or damage before fitting the new camshaft.
- Apply high-pressure cam lube to all cam journals and lobes before installation — this is essential to prevent premature wear.
- Torque bearing cap bolts to specification in the correct sequence as per the workshop manual.
- After installation, verify correct valve timing and check for abnormal noise during initial startup.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy