Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
Fitment checkOEM number, engine model, and machine model confirmation.
Manual quotePrice, MOQ, stock, lead time, and replacement options.
Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This premium set includes the genuine Isuzu intake valve (part number 8-97033-864-2) and exhaust valve (part number 8-97219-509-2), specifically engineered for the Isuzu 4HL1 diesel engine. As a critical component of the valve train system, these valves ensure optimal engine breathing, combustion efficiency, and long-term reliability. We supply these high-demand parts globally, serving major markets across North America, Europe, the Asia-Pacific region, the Middle East, and Africa, with fast and reliable shipping to industrial hubs worldwide.
Key Features & Benefits
OEM-Grade Precision: Manufactured to meet or exceed Isuzu’s original specifications, ensuring a perfect fit and seamless performance in your 4HL1 engine.
Superior Heat Resistance: The exhaust valve utilizes advanced steel alloys designed to withstand the extreme temperatures and pressures of the combustion chamber, preventing warping and premature failure.
Enhanced Durability: Features a hardened surface and optimized stem geometry to reduce wear on the valve guide and seat, extending the service life of your entire cylinder head assembly.
Improved Engine Efficiency: Properly sealing intake and exhaust valves maximize compression and minimize blow-by, leading to better fuel economy, reduced emissions, and increased horsepower output.
Reliable Performance: Rigorously tested for dimensional accuracy, material integrity, and sealing capability to ensure consistent operation in heavy-duty applications.
Technical Specifications
Specification
Intake Valve
Exhaust Valve
Part Number
8-97033-864-2
8-97219-509-2
OEM Number
8970338642
8972195092
Engine Model
Isuzu 4HL1
Valve Type
Intake
Exhaust
Material
High-Chromium Steel
Heat-Resistant Steel Alloy
Stem Diameter
Standard OEM Spec
Overall Length
Standard OEM Spec
Head Diameter
Standard OEM Spec
Condition
Brand New, Genuine / High-Quality Aftermarket
OEM Cross-Reference
These parts directly replace the following original Isuzu part numbers:
Intake Valve: 8-97033-864-2, 8970338642
Exhaust Valve: 8-97219-509-2, 8972195092
Note: This is a dedicated set. Please verify your specific engine serial number for compatibility.
Compatibility
Engine Model: Isuzu 4HL1
Applications: Commonly used in Isuzu industrial engines, generator sets, and various construction and agricultural machinery. Typical vehicle applications include Isuzu forward control trucks and buses equipped with the 4HL1 engine platform.
Year Range: Late 1990s to 2010s (depending on specific equipment model).
Global Supply & Distribution
We are a dedicated supplier of Isuzu engine components with a robust global logistics network. We offer:
Worldwide Shipping: Reliable delivery to all major continents via air, sea, and express couriers (DHL, FedEx, UPS, TNT).
Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, Poland), Asia-Pacific (Japan, Thailand, Indonesia, Australia), Middle East (UAE, Saudi Arabia), and Africa (Nigeria, South Africa, Kenya).
Fast Delivery: Expedited processing and shipping from our warehouses to major ports and industrial centers.
Export Expertise: Experienced in international trade documentation and customs clearance to ensure a smooth transaction for B2B buyers.
Quality Assurance
Manufacturing Standard: Parts are manufactured in ISO 9001 certified facilities, adhering to strict quality control processes.
Testing: Each batch undergoes rigorous testing for hardness, dimensional accuracy, and surface finish to ensure they meet OE performance standards.
Warranty: We offer a standard warranty against manufacturing defects. Please contact us for specific warranty terms.
FAQ
Q1: Are these valves a direct replacement for my Isuzu 4HL1 engine? Yes, these valves are engineered to be a direct, drop-in replacement for the original Isuzu parts (8-97033-864-2 and 8-97219-509-2). No modifications are required for installation. However, we always recommend verifying the part numbers against your engine’s service manual.
Q2: What is the recommended installation procedure for these valves? Installation should be performed by a qualified diesel mechanic. Standard procedure includes: 1) Ensuring the cylinder head is clean and the valve guides are in good condition. 2) Lubricating the valve stems with clean engine oil before installation. 3) Using new valve stem seals. 4) Checking valve clearance (lash) and adjusting to the manufacturer’s specifications after installation.
Q3: What is the typical lifespan of these valves in a heavy-duty application? The lifespan depends on operating conditions, maintenance schedules, and fuel quality. In a well-maintained engine operating under normal conditions, these high-quality valves can last for thousands of hours. Regular valve lash adjustments and using clean fuel and oil are critical to maximizing their service life.
Inquiry Form
Send Inquiry
Leave your email and phone / WhatsApp so sales can follow up directly.