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Product Details
Product Overview
This high-quality Isuzu 6WF1 Valve Guide (Part Number: 1-11721012-0) is a critical component for maintaining precise valve operation in heavy-duty diesel engines. Manufactured to meet or exceed original equipment specifications, this valve guide ensures minimal oil consumption, reduced valve stem wear, and optimal engine compression. We supply this part globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Africa. With a focus on fast, reliable shipping to industrial hubs and ports, we are a trusted partner for B2B procurement and aftermarket distribution.
Key Features & Benefits
Premium Material Construction: Made from high-grade, wear-resistant alloy cast iron to withstand extreme temperatures and friction.
Precision Engineering: Machined to tight tolerances for a perfect fit with the valve stem, ensuring proper heat transfer and valve alignment.
Enhanced Durability: Reduces valve guide bore wear, extending the service life of the cylinder head assembly.
OEM Standard Performance: Direct replacement for the original Isuzu part, restoring engine efficiency and reducing blow-by.
Cost-Effective Solution: Offers a reliable alternative to expensive OEM parts without compromising quality.
Technical Specifications
Specification
Details
Part Number
1-11721012-0
OEM Number
1-11721012-0
Engine Model
Isuzu 6WF1
Part Type
Valve Guide (Intake/Exhaust)
Material
High-Grade Alloy Cast Iron
Quantity per Engine
24 (12 Intake / 12 Exhaust)
Inner Diameter
8 mm (Standard)
Outer Diameter
14 mm (Standard)
Length
64 mm (Standard)
Application
Diesel Engine Cylinder Head
OEM Cross-Reference
This part is a direct replacement for the following original equipment manufacturer (OEM) numbers:
Isuzu: 1-11721012-0
Alternative/Cross-Reference: 8-98024518-0 (Note: Verify compatibility based on specific cylinder head casting numbers)
Compatibility
Engine Models: Isuzu 6WF1
Vehicle Applications: This valve guide is commonly used in heavy-duty trucks, buses, construction equipment, and industrial machinery powered by the Isuzu 6WF1 diesel engine. Examples include certain Isuzu Giga and C-Series trucks, as well as Hitachi and Sumitomo excavators using this engine platform.
Year Ranges: Typically fits engines manufactured from the early 2000s to present. Always verify compatibility with your specific engine serial number.
Global Supply & Distribution
We are a dedicated global supplier of diesel engine components. Our logistics network ensures efficient delivery to key international markets:
Worldwide Shipping: We ship to all continents via air, sea, and express courier.
Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (Japan, Thailand, Australia), Middle East (UAE, Saudi Arabia), and Africa (South Africa, Nigeria).
Fast Delivery: Stock items are dispatched within 24 hours to major ports like Rotterdam, Shanghai, Dubai, and Los Angeles.
Export Expertise: We have extensive experience with international trade documentation, customs clearance, and compliance with global shipping regulations.
Quality Assurance
Manufacturing Standards: Produced in ISO 9001:2015 certified facilities, ensuring consistent quality control.
Testing: Each batch undergoes dimensional inspection, hardness testing, and surface finish analysis to guarantee a precise fit.
Warranty: We offer a standard 12-month warranty against manufacturing defects from the date of shipment.
Certification: Parts are manufactured in compliance with international quality standards for the heavy-duty aftermarket.
FAQ
Q1: How do I know if this valve guide fits my 6WF1 engine head? A: This part (1-11721012-0) is the standard size for the Isuzu 6WF1 engine. However, cylinder head castings may vary. We recommend measuring the outer diameter of your existing guide (should be 14mm) and the length (should be 64mm). If your engine head has been reconditioned or uses oversized guides, please verify the required size before ordering.
Q2: What is the correct installation procedure for this valve guide? A: Installation typically requires a press and a proper driver tool. The guide must be pressed into the cylinder head from the top (spring side) until it is flush with the top of the spring seat or seated to the specified height. After installation, the guide bore should be reamed to the correct valve stem clearance (typically 0.03-0.07mm for intake and 0.05-0.09mm for exhaust). We recommend consulting the Isuzu 6WF1 service manual for precise torque and clearance specifications.
Q3: What are the signs of a worn valve guide on a 6WF1 engine? A: Common symptoms include excessive blue smoke from the exhaust (especially on deceleration), increased oil consumption, and a ticking noise from the valve train. A worn guide can also cause poor engine performance and valve seat recession. If you notice these issues, it is advisable to inspect and replace the valve guides along with the valve stem seals during a cylinder head overhaul.
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