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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
4.3 ★★★★★
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Product Reviews
★★★★★ 5
Eye patches that work
Color: Pink (PDRN)
Love them! Cooling to the eyes, easy to apply with no slipping. These eyes patches work and they’re great for the price. The only patches I’ll buy going forward. I just apply my eye cream first and then follow with the patches and you can definitely see the results once removing.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Stuff works
Color: Pink (PDRN)
Absolutely love this stuff. It tightened up your skin. it's lightweight. you can leave it on all night long, if you wish. and you can really see the difference in the morning. Also gives you that glossy pretty skin look.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
BEST ONE IF YOU SHAVE OR WAX
it works wonders i’m so mad that im out ! the price is worth it too really helps with irritation.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Amazing 1000/10 love this
Absolutely love this product can’t recommend it enough. I’m a waxer and tell all my clients about this product to prevent and treat ingrowns. Especially when there’s inflammation (red and painful). I have acne prone skin triggered by dairy/gluten and I use this after my Brazilian wax, on my face, my back and anywhere where I’m breaking out. The ingredients are great and not harsh on the skin. I’ve also been noticing my bikini hyperpigmentation slowly getting lighter too!
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Does what it needs to do…
Tried to wax myself (ouch, I know). But I think this stuff actually worked. I know the hair cycle is like 8 weeks or so, so I got one cycle in and less ingrown hairs for sure. I love, love the easy of use and how you can just roll it on and don’t need a cotton pad or something.
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Reviewed in the United States on May 2, 2026