Diesel Engine Parts
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This high-quality Volvo D4D engine valve is a direct replacement for OEM part number 8-98023-526-0, designed specifically for heavy-duty excavator applications. Manufactured to meet or exceed original equipment specifications, this valve ensures precise engine timing and optimal combustion efficiency for Volvo construction machinery. We provide global shipping solutions to major industrial centers worldwide, including North America, Europe, Asia-Pacific, the Middle East, and South America, ensuring fast delivery to ports and warehouses for B2B buyers.
| Specification | Details |
|---|---|
| Part Number | 8-98023-526-0 |
| Engine Model | Volvo D4D |
| Part Type | Engine Valve (Intake/Exhaust) |
| Material | Alloy Steel (21-4N / SUH35) |
| Valve Head Diameter | 38.5 mm |
| Valve Stem Diameter | 8 mm |
| Valve Overall Length | 126.3 mm |
| Seat Face Angle | 45° |
| Stem Coating | Chrome Plated |
| Hardness | HRC 30-35 (Tip) |
| Certification | ISO 9001:2015 |
This valve is a direct replacement for the following OEM part numbers:
Note: Always verify your engine’s specific requirements by comparing the physical dimensions (head diameter, stem diameter, and overall length) with your original part.
This engine valve is compatible with the following Volvo engine models and equipment:
Year Ranges: Typically used in equipment manufactured between 2005-2015. Verify engine serial number for exact compatibility.
We offer comprehensive global logistics solutions to meet the needs of B2B buyers worldwide:
Q1: Is this valve compatible with my Volvo EC55B excavator?
A: Yes, the 8-98023-526-0 valve is a standard fitment for the Volvo EC55B excavator equipped with the D4D engine. However, we strongly recommend verifying the valve dimensions (head diameter 38.5mm, stem diameter 8mm, overall length 126.3mm) against your original part to ensure exact compatibility, as engine revisions may occur.
Q2: What is the recommended installation procedure for this valve?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: (1) Ensure the valve guide is clean and within specification. (2) Apply molybdenum disulfide lubricant to the valve stem before insertion. (3) Use a valve spring compressor to install the valve keepers. (4) Check valve clearance after installation and adjust per Volvo service manual specifications (typically 0.25mm intake, 0.30mm exhaust for cold engine).
Q3: How can I distinguish a genuine OEM valve from an aftermarket one?
A: Aftermarket valves meeting OEM specifications are a cost-effective alternative. Key quality indicators include: (1) Check for the OEM part number (8-98023-526-0) laser-etched on the stem. (2) Verify the stellite seat face (a silver-colored hard-facing alloy). (3) Measure dimensions with a caliper. (4) Reputable aftermarket suppliers provide material certifications and ISO compliance. Our valves are manufactured to OEM standards and undergo rigorous testing to ensure reliable performance.
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