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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
Warning
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.
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
4.5 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
BEST, MOST COMFORTABLE PILLOWS EVER!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I've used others.BEST PILLOWS EVER! Firm, cooling and supportive. LOVE THESE!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 4
Comfortable and Supportive, but Adjust the Filling
Color: White-cooling Basic, Size: Queen(Pack of 2), Color: White-cooling Basic, Size: Queen(Pack of 2)
I’m very happy with this pillow. The size is big and it feels soft while still providing good support, perfect for midnight scrolling on TikTok.
One thing to keep in mind is that it can feel a little too tall if you use all of the filling that comes with it. The good news is that you can easily adjust the amount of filling to find the height that works best for your sleeping position. Once I customized it, it was much more comfortable.
Overall, great quality, comfortable, and worth the purchase.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
BEST PILLOWS EVER!!!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I am very picky with my pillows because I have a bad neck and I can never seem to find a good pillow. But I tried this pillow because it had everything I was looking for and the price was great! You get two of them and they are absolutely awesome.! normally I would need to lay on two pillows to try and get comfortable but with these pillows I just lay on one and I wake up with no neck pain. They really have a nice cooling effect. They actually puff up immediately after opening them. All you have to do is just shake them up and the pillow just puffs straight up.. It comes with extra cushioning if you want it to make it firmer and if you don’t want it as firm as it is, you can actually take some out. It really is such a beautiful pillow. It’s perfect in every way to me being such a picky pillow person.
You just lay your head down on it and it forms around your neck and your head and when you get up, it goes right back to its normal form. It doesn’t get flat and I love it. I completely recommend this to anyone who is a person who has a hard time finding a really good pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
★★★★★ 5
Top of the line, best pillows Ive ever had
Color: White-cooling Basic, Size: Queen(Pack of 2)
These pillows are top of the line! I bought them in 2024 and they are still fluffy. When they lose a little fluff, you just punch em around a little bit and voila, like new again. They have kept their shape cery well and do great for cooling. I haven't had to add more filling yet either. I just laid my head on one and thought, I need to do a review cause everytime i lay on these pillows its like clouds. My head is heavy and this is relief :-D
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Reviewed in the United States on May 21, 2026
★★★★★ 3
Weird smell
Color: White-cooling Basic, Size: Queen(Pack of 2)
The pillows are great for someone looking for something cool and comfortable. We loved them so much that we bought a second pair. However, we were seriously disappointed with the odor of our last purchase. They give off a strong and indescribable chemical/burning plastic smell so nauseating that it’s difficult to sleep with. We’re hoping this issue will resolve with a couple more washes of the pillow cases, but am worried the source is the stuffing itself.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
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