Product Details

Product Overview

This comprehensive Full Overhaul Cylinder Gasket Kit is a critical component for the Mitsubishi K4M and K4N diesel engines, specifically designed for the Caterpillar Cat 305CR Excavator. As a high-demand spare part, this kit ensures a complete and reliable engine rebuild. We source directly from leading manufacturers and distribute globally, serving major markets across North America, Europe, Asia-Pacific, the Middle East, and Africa. Our logistics network ensures fast and efficient delivery to major ports and industrial hubs worldwide, minimizing downtime for your heavy equipment.

Key Features & Benefits

• Complete Overhaul Solution: This kit contains all necessary gaskets and seals for a full engine top-end and bottom-end rebuild, eliminating the need for separate part sourcing.
• OEM-Grade Quality: Manufactured to meet or exceed original equipment specifications, ensuring a perfect fit and long service life under extreme operating conditions.
• Enhanced Durability: Constructed from high-grade materials, including multi-layer steel (MLS) head gaskets and high-temperature resistant rubber seals, to withstand high pressure and thermal stress.
• Reduced Downtime: Designed for straightforward installation, allowing your service team to complete the overhaul efficiently and get the excavator back to work quickly.
• Cost-Effective Rebuild: Provides a significant cost saving compared to purchasing individual gaskets, making it the ideal choice for planned maintenance or major repairs.

Technical Specifications

OEM Cross-Reference

This part is directly interchangeable with the following original equipment manufacturer (OEM) numbers:

• Mitsubishi: MM438680, 34494-00055
• Caterpillar (CAT): Check for cross-reference compatibility with CAT service parts for the 305CR.

Note: While this kit is designed for the specific engines listed, always verify your engine serial number for complete compatibility.

Compatibility

• Engine Models: Mitsubishi K4M, Mitsubishi K4N
• Vehicle/Equipment: Caterpillar Cat 305CR Excavator
• Common Applications: Also compatible with other compact excavators and industrial equipment utilizing the K4M/K4N engine platform.

Global Supply & Distribution

We are a leading global supplier of heavy machinery engine parts. Our distribution network ensures fast and reliable delivery to customers worldwide.

• Worldwide Shipping: We ship to all continents via air, sea, and express courier (DHL, FedEx, UPS, TNT).
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Japan, Singapore), Middle East (UAE, Saudi Arabia), and Africa (South Africa, Nigeria).
• Fast Delivery: Stock items are dispatched within 24-48 hours. Delivery to major ports like Rotterdam, Dubai, and Shanghai typically takes 5-10 business days.
• Trade Compliance: We have extensive experience in international export documentation and customs clearance.

Quality Assurance

• Manufacturing Standards: Products are manufactured in ISO 9001:2015 certified facilities, ensuring consistent quality control.
• Testing: Each batch undergoes rigorous pressure, temperature, and dimensional testing to guarantee performance and reliability.
• Warranty: We offer a full 12-month warranty against manufacturing defects. Our technical support team is available to assist with any installation or performance questions.

FAQ

Q1: Does this kit include the head gasket and valve stem seals?
Yes, this is a full overhaul gasket kit. It includes the cylinder head gasket, valve stem seals, and all other necessary gaskets and seals for a complete engine rebuild, including the oil pan gasket and front/rear main seals.

Q2: Is this gasket kit compatible with my Caterpillar 305CR excavator that has a Mitsubishi K4N engine?
Yes, this kit is specifically designed for the Mitsubishi K4N engine, which is the standard power unit for the Caterpillar 305CR excavator. It is also compatible with the K4M engine. We recommend verifying your engine model number before purchase to ensure a perfect fit.

Q3: What is the recommended procedure for installing this gasket kit?
Professional installation is recommended. A standard procedure includes: thoroughly cleaning all mating surfaces, applying the correct torque sequence and specifications for the cylinder head bolts, and using the included seals as direct replacements. Ensure the engine block and head are free of any warpage or damage before installation.

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 .