1-12611277-1 ISUZU 6WG1 6WF1 Engine Compatible Valve Crosshead Rocker Arm Bridge for 24-Valve OHC Design with Forged Cast Steel Construction
Key Attributes
Product Summary
Valve Crosshead WDL12-183 for ISUZU 6WG1 6WF1 Diesel Engine — OEM 1-12611277-1, Rocker Arm Bridge, 24-Valve Heavy Duty Function : The valve crosshead with part number WDL12-183 is a direct replacement for ISUZU 6WG1 and 6WF1 heavy-duty diesel engines. Also known as a rocker arm bridge or T-shaped ...
Product Details
ISUZU 6WG1 Compatible Valve Crosshead
,24-Valve OHC Rocker Arm Bridge
,Forged Cast Steel Valve Crosshead
Valve Crosshead WDL12-183 for ISUZU 6WG1 6WF1 Diesel Engine — OEM 1-12611277-1, Rocker Arm Bridge, 24-Valve Heavy Duty
Function :
The valve crosshead with part number WDL12-183 is a direct replacement for ISUZU 6WG1 and 6WF1 heavy-duty diesel engines. Also known as a rocker arm bridge or T-shaped valve guide, this component sits between the rocker arm and the valve stems, allowing a single rocker arm to actuate two valves simultaneously. This is critical for the 24-valve OHC (Overhead Camshaft) design of the 6WG1 engine .
⚠️ Verifiable Signal Notice: Publicly available data is limited. The OEM cross-reference 1-12611277-1 is used for similar 6WG1T valve rocker arms , but we cannot verify if WDL12-183 is an exact substitute. Engineering specifications come from ISUZU 6WG1 official manuals.
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✅ Engine Compatibility Confirmed: ISUZU 6WG1 / 6WF1 (15.68L, Inline-6, 24-Valve) .
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✅ Function Confirmed: Valve Crosshead / Rocker Arm Bridge (T-shaped).
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✅ Material: High-strength cast iron or forged steel (standard for heavy-duty crossheads).
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⚠️ OEM Cross-Reference: Potential match with 1-12611277-1 (used on 6WG1T) . Confirm with supplier.
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⚠️ Installation Success Rate / Durability: No public test data.
Failure Symptoms (Inspect and Replace Promptly)
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Ticking or heavy knocking from the top of the engine (valve cover area).
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Excessive valve clearance that cannot be adjusted within spec (cold: 0.4mm for intake/exhaust) .
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Uneven wear on the valve stem tips or the crosshead pad.
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Engine misfire or loss of power due to incorrect valve actuation.
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Visible cracks or fracture on the T-shaped body (risk of dropping a valve into the cylinder).
| Part Number: | WDL12-183 | Product Name: | Valve Crosshead |
|---|---|---|---|
| Car Model: | ISUZU | Engine Model: | 6WG1 |
| Condition: | 100% Brand New | Size: | |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East ,Asia,Africa, South America, North America &Europe | Package: | Neutral Packing Or Make It As Requested |
| Warranty: | 6 Monthes | Price &Stock: | Please Contact Us To Get More Information |
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
Features & Advantages
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Brand Model Engine Code Notes ISUZU FSR / FSR 500 6HE1 Primary fitment per OEM number ISUZU FVR / FTR 6HE1 (verify) Some cross-applications reported; confirm by VIN ⚠️ Important Fitment Notes:
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HDA-008 / MC828264 是售后交叉参考编号,主要在三菱 Fuso 制动助力器目录中出现.本产品以 ISUZU FSR 6HE1 为主适配方向,同时列出上述编号供客户交叉比对.
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If your vehicle is a Mitsubishi Fuso FK/FM with MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. The “short" vs “long" pushrod variants exist within the MC828264 family .
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Always provide VIN/chassis number for verification. Do not rely solely on cross-reference numbers.
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✅ Features & Benefits
| Feature | Benefit + Verification Signal | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 24V DC coil | Compatible with Mitsubishi Fuso 24V electrical system — confirmed by multiple supplier listings | ||||||||
| 3-port configuration |
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✅ Quality Control & Verification
| QC Item | Method | Status |
|---|---|---|
| Hardness | Rockwell/Brinell | To be confirmed by supplier |
| Contact Pad Flatness | Surface plate / CMM | To be confirmed |
| Valve Stem Bore Diameter | Bore gauge | To be confirmed |
| Material Composition | Spectrometer | To be confirmed |
✅ Installation & Maintenance
⚠️ IMPORTANT: Valve train work requires engine timing knowledge. Professional installation recommended.
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Remove valve cover.
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Mark crosshead positions (intake vs. exhaust may differ).
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Remove rocker arm shaft assembly to access the crossheads.
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Inspect valve stem tips for wear before installing the new crosshead.
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Install the new crosshead, ensuring it seats properly on the valve stems.
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Reinstall rocker arms and adjust valve clearance to 0.4 mm (cold) for both intake and exhaust .
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Torque rocker shaft bolts per ISUZU 6WG1 service manual.
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Run engine and check for abnormal noise.
Maintenance: Check valve clearance every 20,000 km or 500 hours.
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