
Product Overview
This is a genuine-quality replacement valve spring, part number 4936076, engineered for Cummins 6L and 6LT series diesel engines. Designed to meet or exceed OEM specifications, this critical component ensures reliable valve operation, optimal engine compression, and long-term durability. We supply this part globally to distributors, workshops, and fleet operators in key industrial markets, ensuring you receive a dependable component for your maintenance and repair needs.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM dimensions and spring rates for perfect fitment and performance in Cummins 6L/6LT engines.
- High-Durability Material: Constructed from high-grade spring steel, heat-treated for consistent tension, fatigue resistance, and extended service life under high-stress conditions.
- Ensures Engine Integrity: Maintains proper valve seating and timing, which is crucial for optimal combustion, fuel efficiency, and preventing power loss.
- Rigorous Quality Control: Each spring undergoes thorough inspection and testing to ensure it meets strict performance and dimensional standards.
- Direct Replacement: A direct-fit component that eliminates compatibility concerns, simplifying your inventory and repair process.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4936076 |
| Engine Model | Cummins 6L, 6LT |
| Engine Type | Diesel |
| Type | Valve Spring |
| Size | OEM Standard Size |
| Weight | 1 kg |
| Packing | Plastic Bag, Box, Carton |
| Selling Units | Single Item |
| Place of Origin | Guangdong, China |
OEM Cross-Reference
This part is a direct replacement for the following OEM part number:
- Cummins: 4936076
Note: Always verify part number compatibility with your specific engine serial number before purchase.
Compatibility
This valve spring is designed for use in Cummins 6L and 6LT series diesel engines. These engines are commonly found in a wide range of heavy-duty machinery and vehicles, including but not limited to:
- Forklifts
- Excavators
- Trucks
- Loaders
- Bulldozers
- Buses
- Other Industrial and Construction Equipment
Global Supply & Distribution
We are a professional exporter of heavy-duty engine components with extensive experience in international logistics and trade compliance. We efficiently ship to all major global markets, including:
- North America: Fast container shipping to USA (LA, Long Beach, NY), Canada (Vancouver, Toronto).
- Europe: Reliable delivery to key ports in Rotterdam, Hamburg, Antwerp, and Felixstowe.
- Asia-Pacific: Strong supply network to Singapore, Sydney, Tokyo, and Dubai.
- Middle East & Africa: Regular shipments to Jebel Ali (UAE), Dammam (KSA), and Durban (RSA).
We handle all export documentation, ensuring smooth customs clearance for B2B clients worldwide.
Quality Assurance
- Manufacturing Standards: Produced in ISO-certified facilities using precision tooling to ensure consistent quality.
- Testing & Inspection: Every batch is subject to machinery test reports and video outgoing-inspection is available to verify quality before shipment.
- Warranty: Backed by a 6-month warranty from the date of shipment, covering defects in material and workmanship.
FAQ
Q1: Is this valve spring an exact match for my Cummins 6LT engine?
A1: Yes. Part number 4936076 is manufactured to the original Cummins OEM specifications for dimensions, load rate, and installed height, ensuring it is a direct, drop-in replacement for the 6L and 6LT engine series.
Q2: What is included in the quality inspection before shipment?
A2: Our quality control process includes dimensional checks, load testing to verify spring rate, surface finish inspection, and material certification. A machinery test report can be provided, and we offer video outgoing-inspection upon request for bulk orders.
Q3: Do you recommend replacing valve springs in sets?
A3: For optimal engine performance and balance, it is a standard best practice to replace all valve springs on a cylinder head at the same time. This ensures uniform tension and prevents uneven wear, which can lead to valve train issues.
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 .