Intake Valve 46×128mm Heat-resistant Alloy Steel for ISUZU 4BD1 6BD1 4BG1 6BG1 Engines
| Valve Face Angle: | 45° | Unit Net Weight: | 0.14kg |
| Overall Length: | 128mm | Valve Stem Diameter: | 9mm |
| Material: | Heat-resistant Alloy Steel (martensitic) | Valve Head Diameter: | 46mm |
| Fig. No.: | 014-004 | Engine Compatibility: | ISUZU 4BD1, 6BD1, 4BG1, 6BG1, 4BC2, 4BA1, 4BB1, 6BB1 |
| High Light: | 46×128mm Intake Valve,Heat-resistant alloy steel Inlet Valve,ISUZU 4BD1 6BD1 Engine Valve |
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Intake Valve with OEM numbers 1-12551139-0 / 1125511390 (brand cross-reference: IZUMI, MAHLE 1045, FUJI 560-5384, JCB 02/801529) is a verified direct-fit replacement for ISUZU 4BD1, 6BD1, 4BG1, 6BG1 series diesel engines. This critical valve train component opens the intake port during the intake stroke to admit fresh air into the combustion chamber.
Quality Assurance: 100% factory tested for dimensional accuracy, hardness, sealing angle, and material integrity
Warranty: 12 months / 30,000 km
- Loss of Power – Poor acceleration and difficulty climbing hills
- Engine Tapping Noise – Metallic ticking sounds during operation
- Hard Starting – Insufficient cylinder compression
- Black Smoke from Exhaust – Incomplete combustion
- Increased Fuel Consumption – Reduced combustion efficiency
- Valve Burning – Burn marks or deformation on valve head
| Brand | Model | Engine | Years |
|---|---|---|---|
| ISUZU | FSR | 6BG1 / 6BD1 | 1987-1994 |
| ISUZU | FTR | 6BG1 / 6BD1 | 1990-1994 |
| ISUZU | NPR | 4BD1 / 4BG1 | -- |
| ISUZU | NRR | 6BG1 / 6BD1 | 1988-1994 |
| Brand | Model | Engine |
|---|---|---|
| HITACHI | EX90 / EX100 / EX120 / EX200 | 4BD1 / 6BD1 |
| JCB | JS130 / JS160 / JS200 | 4BG1 / 6BG1 |
| Case | CX130 / CX210 / CX225 | 4BG1 / 6BG1 |
Exact fit for ISUZU engine valve guide specifications
Maintains structural integrity above 600°C
Ensures reliable sealing and reduces compression leakage
Exact match for valve guide bore for smooth operation
Internationally recognized brand specifications
Proven reliability and quality
- Disconnect battery and ensure engine is cooled
- Remove cylinder head following workshop manual sequence
- Use special valve spring compressor to remove old valve
- Thoroughly clean valve guide bore
- Grind new valve to valve seat for full contact
- Install new valve stem seal
- Adjust valve clearance to workshop manual specification
- Torque bolts to specification and sequence
- Packaging: Neutral carton / Branded color box / Custom packaging
- Packaging Unit: 6 pieces/box (or per customer request)
- MOQ: Small quantities accepted
- Delivery Time: 15-20 days after payment confirmation
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