Product Overview

This is a genuine replacement piston designed for the Xichai 29D series diesel engines. Engineered to meet or exceed original equipment specifications, this piston is a critical component for engine rebuilds and maintenance in demanding industrial, construction, and agricultural applications. We supply this part globally, with significant experience serving major markets across North America, Europe, the Middle East, Africa, and the Asia-Pacific region.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM dimensions and tolerances for a perfect fit and optimal engine performance.
• Enhanced Durability: Constructed from high-grade materials to withstand the high pressures and thermal stresses of diesel engine operation.
• Optimized Performance: Designed to restore engine compression, power output, and fuel efficiency to factory levels.
• Rigorous Quality Control: Each piston undergoes thorough inspection and testing, including video outgoing-inspection, to ensure reliability.
• Global Logistics Support: Packaged securely for international shipping and backed by our worldwide distribution network for timely delivery to major ports and industrial hubs.

Technical Specifications

OEM Cross-Reference

This piston directly replaces the following OEM part numbers:

• Xichai: 4DW91-29D, 1004011A29D

Always verify the part number from your original component or engine manual before ordering.

Compatibility

This piston is specifically designed for use in Xichai 29D series diesel engines. These engines are commonly found in a wide range of heavy-duty equipment, including:

• Construction Machinery: Excavators, loaders, bulldozers, compactors.
• Industrial Power Units: Generators (Gensets), pumps, compressors.
• Agricultural Equipment: Tractors, harvesters, irrigation systems.
• Marine Applications: Auxiliary engines for boats and small vessels.
• Material Handling: Forklifts, terminal tractors.

Global Supply & Distribution

As a professional B2B supplier of heavy-duty engine components, we are equipped to fulfill orders for distributors, workshops, and OEMs worldwide. Our established logistics ensure efficient shipping to key industrial regions:

• Major Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore, Indonesia), Africa, and South America.
• Fast Delivery: We prioritize shipments to major global ports (e.g., Rotterdam, Los Angeles, Singapore, Dubai) and inland logistics centers to minimize lead times.
• Export Compliance: All documentation, including machinery test reports, is provided to ensure smooth customs clearance and international trade compliance.

Quality Assurance

We are committed to supplying components that meet the highest standards of quality and reliability.

• Manufacturing Standards: Produced in ISO-certified facilities using advanced machining and metallurgical processes.
• Warranty: Backed by a 6-month warranty against manufacturing defects.
• Testing & Inspection: Every batch is subject to stringent quality checks. A machinery test report and video outgoing-inspection record are available to verify product condition prior to shipment.
• After-Sales Support: Comprehensive online technical support is available post-warranty to assist with installation or application questions.

FAQ

Q: How can I confirm this piston is the correct part for my specific 29D engine?
A: The most reliable method is to cross-reference the part number stamped on your original piston or listed in your engine’s official service manual with our listed numbers: 4DW91-29D or 1004011A29D. You can also provide your engine’s full model and serial number for our technical team to verify.

Q: What should be replaced along with this piston during an engine overhaul?
A: For optimal performance and longevity, we strongly recommend replacing the piston as part of a full set. This typically includes piston rings, wrist pins, cylinder liners (if applicable), and connecting rod bearings. Always inspect related components for wear during disassembly.

Q: Do you provide documentation for customs and quality verification?
A> Yes. With every order, we provide all necessary commercial invoices and packing lists. Upon request, we can also supply the machinery test report and the video outgoing-inspection for this specific batch, which are valuable for quality assurance and customs procedures in many countries.

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 .