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Description
Water Pump for Isuzu KB250D, KB280DT, Trooper & More – 8 Hole Flange (WA005)Vehicle Fitment & Part Details The WA005 water pump (OE ref. 8 94376 844 0) is a direct replacement for Isuzu KB250D, KB280DT, Trooper and Frontier models fitted with 4JA1, 4JA1 L and 4JB1T diesel engines. Also fits Foton Thunda 2. 8D and GWM Steed 2. 8D. This is the 8 hole flange variant. Supplied with gaskets and seals. The water pump circulates coolant through the engine cooling system. Always confirm the OE number against your vehicle before
Vehicle Fitment & Part Details
The WA005 water pump (OE ref. 8-94376-844-0) is a direct replacement for Isuzu KB250D, KB280DT, Trooper and Frontier models fitted with 4JA1, 4JA1-L and 4JB1T diesel engines. Also fits Foton Thunda 2.8D and GWM Steed 2.8D. This is the 8-hole flange variant. Supplied with gaskets and seals. The water pump circulates coolant through the engine cooling system. Always confirm the OE number against your vehicle before ordering.
Key Details
- SKU
- WA005
- Component
- Water Pump (8-hole flange)
- Brand
- Partquip
- Primary Fitment
- Isuzu KB250D / KB280DT
- Included
- Gaskets and seals
Key Benefits
- Direct OE-equivalent replacement for the Isuzu 4JA1 and 4JB1T diesel engine cooling circuit
- 8-hole flange design — confirm your pump housing has 8 bolt holes before ordering
- Supplied with gaskets and seals for a complete installation
Product Specifications
| Specification | Details |
|---|---|
| Flange Type | 8-hole |
OEM Reference Numbers
- Isuzu: 1K00-15-100, 21010-89TA1, 21010-89TA5, 21010-89TB0, 8-94140-341-1, 8-94140-341-2, 8-94310-025-0, 8-94310-251-0, 8-94376-472-0, 8-94376-844-0, 8-94376-851-0, 8-94379-461-2
Vehicle Fitment
| Make | Model | Engine | Years |
|---|---|---|---|
| Foton | Thunda 2.8D | 493ZQ | 2010– |
| GWM | Steed 2.8D | GW28TC2 | 2008–2011 |
| Isuzu | Frontier 280DT | 4JB1T | 1998–2004 |
| Isuzu | KB250D | 4JA1 | 1987–1997 |
| Isuzu | KB250D / Dc | 4JA1-L | 1997–2018 |
| Isuzu | KB280DT | 4JB1T | 1993–2002 |
| Isuzu | Trooper 2800 | 4JB1T | 1996– |
Fitment Notes
- Always verify the OE part number stamped on your existing water pump before ordering. Fitment data is provided as a guide and may not cover every sub-variant.
- This is the 8-hole flange variant. Some Isuzu engines use a 6-hole flange water pump — count the bolt holes on your existing pump housing to confirm.
Installation / Use / Maintenance Tips
- Drain the cooling system completely before removing the old water pump to minimise coolant loss and contamination.
- Clean all gasket mating surfaces thoroughly and use the supplied gaskets and seals — do not reuse old gaskets.
- Inspect the thermostat, radiator hoses and drive belt while the pump is accessible; replace any worn components at the same time.
- Refill with the manufacturer-recommended coolant type and concentration, and bleed all air from the system before starting the engine.
- Run the engine to operating temperature and check for leaks around the pump housing, hose connections and bleed points.
Common Questions
- Will this water pump fit my vehicle?
- Check the fitment table above and confirm the OE reference number matches the one on your current water pump. If your vehicle and engine code appear in the table and the OE number matches, this pump is a direct fit. Also verify that your pump housing has 8 bolt holes.
- What do the OEM reference numbers mean?
- OEM (Original Equipment Manufacturer) reference numbers are the part numbers assigned by the vehicle manufacturer. They let you cross-reference this aftermarket part against the original to confirm compatibility.
- What is included in the box?
- This water pump is supplied with gaskets and seals required for installation.
- Is Partquip the same as MAP Pro?
- No. Partquip is an independent aftermarket brand. MAP Pro is the house brand of Modern Auto Parts. Both are available in our store, but they are separate brands with their own product lines.
- Are there other variants of this water pump?
- This listing covers SKU WA005 (8-hole flange). Other water pump SKUs in our range may suit different engines, flange types or vehicle models — search “water pump” in our store or contact us for assistance.
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
4.4 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Stunning Coach Tabby, Elegant & High Quality
Size: One Size, Color: B4/Fuschia, Size: One Size, Color: B4/Fuschia
I purchased this Coach Tabby 26 as a bridal shower gift, and it could not have been more perfect. This bag is absolutely stunning in person, and it just so happens to be her favorite color, which made the gift even more special. When she opened it, her face lit up! She truly loved it and said it was one of her favorite gifts from the shower.
The bag arrived beautifully packaged and very well protected. Inside the purse was a Coach dust bag, which I really appreciated for storage and long term care. Everything felt high quality and thoughtfully done, exactly what you expect from Coach.
The leather is beautifully smooth yet structured, the size is perfect for everyday essentials, the interchangeable straps make it versatile for both casual and dressy looks, and it sits comfortably on the shoulder or crossbody without feeling bulky or heavy.
I also had it gift-wrapped at the Coach store, and the presentation turned out beautiful and felt very luxe. I added an extra Coach tag in a different shade of pink, monogrammed with her new initials, which made the gift feel even more special.
Overall, this bag is elegant, timeless, and perfect for a bride or anyone who loves classic luxury with a feminine touch. I would absolutely recommend it as a gift or personal splurge, worth every penny ✨
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Reviewed in the United States on December 16, 2025
★★★★★ 5
Such a beautiful bag!
Size: One Size, Color: B4/Dark Neutral
This is a beautiful bag. I can’t say enough about how well made it is plus the leather is beautiful. The size is perfect in that it will hold just enough for daily wear+ a little more. It is more of a rigid bag but still flexible enough to fit items without looking stuffed. I don’t care for patent leather and wasn’t sure if I’d like Spazzolato. However Spazzolato gives off warm rich glow vibes rather than the super shininess and one dimension of patent leather—with Spazzolato you can actually see variations in color. Also, the dark neutral color is lovely. Buying this bag was a no brainerz.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Absolutely love!!
Size: One Size, Color: Lh/Black Brown
I absolutely love this purse perfect size for me it is beautiful and well worth it very happy with my purchase!!
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Beautifully well made structured handbag
Size: One Size, Color: Lh/Chalk
Love my beautiful off-white structured handbag, it’s spacious enough to carry all my essentials without losing its feminine shape. The monochromatic design makes it incredibly versatile, and it pairs effortlessly with everything. I get compliments every time I wear it.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Maple and Silver hardware bangs🤌🏽
Size: One Size, Color: Lh/Maple, Size: One Size, Color: Lh/Maple
The Coach Tabby is such a vibe! This maple color with silver hardware looks so rich and gorgeous; I absolutely love the overall style and design. It fits all my daily essentials, and I can easily dress it up or down depending on where I’m going.
I prefer carrying it with the shoulder strap since I’m not really a fan of the crossbody style. The suede interior is beautiful, and the leather feels amazing.
It’s such a timeless piece; not too heavy, not too light, just the perfect weight. I get compliments every time I carry it. Honestly, just get it already!
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Reviewed in the United States on April 20, 2026