Product Overview

We supply a genuine-quality injector return pipe, part number 8-97315231-2, engineered for Isuzu 4JJ1 diesel engines. This critical fuel system component is essential for maintaining optimal engine performance and emissions control in heavy machinery. Our global logistics network ensures reliable shipping to major industrial hubs across North America, Europe, the Middle East, and Asia-Pacific, supporting B2B clients with consistent, high-volume supply.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and leak-free operation within the high-pressure common rail fuel system.
• Superior Durability: Constructed from high-grade materials resistant to diesel fuel, vibration, and thermal cycling for extended service life.
• Ensures Engine Efficiency: Properly routes excess fuel from the injectors back to the tank, helping to maintain correct fuel rail pressure and optimal combustion.
• Prevents Contamination: A secure, sealed connection minimizes the risk of air ingress and fuel leaks, protecting the engine from performance issues and potential damage.
• Direct Replacement: Designed as a direct bolt-on component, ensuring straightforward installation without modification, reducing equipment downtime.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM part numbers:

• 8-97315231-2 (Primary Part Number)
• Compatible with Isuzu OEM specifications for the 4JJ1 engine fuel return system.

Compatibility

This injector return pipe is specifically designed for the Isuzu 4JJ1 diesel engine. Its primary application is in the following machinery:

• Excavators: Hyundai SH130, Hyundai SH135 (equipped with the Isuzu 4JJ1 engine).

Always verify your engine model and existing part number before ordering to ensure correct fitment.

Global Supply & Distribution

We are a trusted partner for engine parts distributors and heavy equipment repair shops worldwide. Our supply chain is optimized for international B2B trade.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), the European Union, the UK, Australia, the Middle East (UAE, Saudi Arabia), and Southeast Asia.
• Efficient Logistics: Fast container and air freight services to key ports and industrial centers to minimize lead times for your inventory or project needs.
• Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) to ensure smooth customs clearance.
• Bulk Order Support: Competitive pricing and dedicated logistics for container load (FCL) orders, ideal for regional distributors.

Quality Assurance

• Manufacturing Standard: Produced in ISO-certified facilities using precision tooling to meet or exceed original performance specifications.
• Rigorous Testing: Each part undergoes dimensional checks and pressure testing to ensure integrity and prevent leaks.
• Warranty: Backed by a standard warranty against manufacturing defects, providing confidence in the quality and reliability of your purchase.

FAQ

Q1: How do I confirm this part fits my Hyundai SH135 excavator?
A1: First, confirm the engine in your machine is the Isuzu 4JJ1 model. Then, locate the existing injector return pipe on your engine and check for the part number stamp (typically 8-97315231-2). Matching these details guarantees correct fitment.

Q2: What is the function of the injector return pipe?
A2: The injector return pipe (or leak-off pipe) collects small amounts of excess fuel that bypass the injector nozzles for lubrication and cooling. It returns this fuel to the tank, maintaining system pressure and preventing fuel dilution in the crankcase.

Q3: Are installation instructions provided?
A3> While professional installation by a qualified technician is recommended, the part is a direct replacement. Ensure the engine is cool, relieve fuel system pressure, and replace the old pipe and seals with the new ones, torquing connections to the manufacturer’s specification to avoid leaks.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .