Applicable Engine:
WE / WLAT
Applicable Brand:
MAZDA / FORD
Applicable Car:
B2500 YM / BT 50 / RANGER
Product parameters:
| Displacement | Fuel | Cylinder | Vale | Camshaft | Year |
| 2.5 / 3.0 |
Diesel
|
4 | 16 | 2 | 2006- |
Complete Cylinder Head
Complete Cylinder Head Assembly for Mazda WE WLAT 2.5L Turbo Diesel Engines DOHC 12V
Introduction
Bare Cylinder Head Product NO.
| ML NO. | OEM NO. | REF NO. |
| MLG044 | WE0110100K WE0110100J 4986980 | 908749 |
Product Description
This complete cylinder head assembly is designed for the Mazda WE / WLAT 2.5L turbocharged diesel engine family, commonly found in Mazda B2500, Ford Ranger, Ford Courier, and other light-duty commercial vehicles. It features a DOHC 12-valve configuration, designed to improve fuel efficiency, combustion, and engine longevity.
The head is fully assembled with premium-quality valvetrain components, machined to strict OEM tolerances, and pressure-tested for leak-free performance. Ideal for engine rebuilds, cracked head replacement, or power restoration projects.
Technical Specifications
| Item | Specification |
|---|---|
| Engine Codes | WE, WLAT (WL-T with intercooler) |
| Displacement | 2.5L (2499cc) |
| Configuration | Inline-4 |
| Valvetrain | DOHC – 12 valves (3 valves per cylinder) |
| Fuel Type | Diesel |
| Fuel System | Indirect Injection (IDI) |
| Turbocharged | Yes |
| Cooling System | Water-cooled |
| Cylinder Head Material | Cast Aluminum Alloy |
| Camshaft Drive | Timing belt |
| Emission Compliance | Euro 2–3 (varies by market) |
| OEM Quality | Yes, 100% pressure-tested |
Assembly Includes (Pre-installed Components)
- Cylinder head casting (high-strength aluminum)
- Dual camshafts (DOHC)
- Intake and exhaust valves
- Valve springs, retainers, keepers
- Valve stem seals
- Rocker arms or direct followers
- Hydraulic lash adjusters / tappets
- Valve guides and valve seats (installed)
Assembly is complete and ready for installation.
Required Accessories for Installation (Not Included)
| Component | Purpose | Recommendation |
|---|---|---|
| Cylinder Head Gasket | Sealing combustion chamber | Must Replace |
| Cylinder Head Bolts | Torque-to-yield stretch bolts | Must Replace |
| Rocker Cover Gasket | Oil sealing | Replace |
| Timing Belt Kit | Drives camshafts | Replace if worn |
| Turbocharger Gaskets | Seal exhaust & oil feed | Replace |
| Intake / Exhaust Gaskets | Prevent air leaks | Replace |
| EGR / Coolant Gaskets | Required if applicable | Replace |
| Fresh Oil & Coolant | Required after engine work | Replace |
Compatible Vehicle Models
The WE / WLAT cylinder head fits:
Mazda
- Mazda B2500 / B2600 Turbo Diesel
- Mazda Proceed Marvie
- Mazda Bravo 2.5D
- Mazda Fighter Truck
Ford (Mazda-sourced engine)
- Ford Ranger 2.5 Turbo Diesel (1999–2006)
- Ford Courier 2.5 TD
- Ford Everest (early Asian markets)
Others
- Kia Bongo / K2700 (some versions)
- JDM & SEA export models (WL-T variants)
Always confirm engine code (cast on block or VIN plate) to ensure compatibility.
Common Engine Faults Addressed
| Issue | Cause | Our Solution |
|---|---|---|
| Cylinder head cracks | Overheating, age | New pressure-tested casting |
| Valve leakage | Wear or poor seal | New valves + stem seals included |
| Oil/coolant contamination | Internal head crack | Leak-tested water/oil passages |
| Camshaft wear | Poor lubrication | Includes brand-new camshafts |
| Power loss / smoke | Valve train failure | Assembled, sealed top-end head |
Installation Tips
- Inspect block surface for flatness; clean before head installation.
- Use correct torque sequence in 3–4 steps; consult service manual.
- Align timing marks precisely before securing timing belt.
- Prime oil system and crank manually before startup.
- Bleed cooling system to prevent air lock.
- Run engine and inspect for oil, coolant, or compression leaks.
Export & Market Distribution
These cylinder heads are widely exported to:
- Africa: Kenya, Ghana, South Africa, Nigeria
- Asia-Pacific: Philippines, Malaysia, Indonesia, Thailand
- Middle East: Iran, Iraq, Jordan
- South America: Chile, Bolivia, Ecuador
- Australia & NZ: Off-road & utility vehicle markets
Popular among:
- Diesel engine rebuilders
- 4×4 tuning garages
- Agricultural/fleet vehicle workshops
- Parts distributors and importers