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Technical guides and maintenance tips for excavator engines will be published here.
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Aftermarket Engine Parts for Heavy Equipment — Factory Direct, Worldwide Shipping
Cylinder liners, fuel pumps, crankshafts, ECU modules & more. Compatible with Cummins, CAT, Komatsu, Doosan, Volvo. MOQ 1 piece.
Compatible With Major Engine Brands
Our Product Range
Engine
Complete engine assemblies and engine components for excavators and heavy equipment.
Cylinder Block
Cast iron cylinder blocks for diesel engines, machined to OEM specifications.
Cylinder Head
Complete and bare cylinder heads for excavator engines with proper valve seat geometry.
Crankshaft
Forged and cast crankshafts with precision-ground journals for smooth operation.
Gasket
Upper and lower gasket sets for engine overhaul and rebuild operations.
Liner Kit
Cylinder liner kits including liner, piston, rings, pin, and snap ring.
Injector
Precision fuel injectors for reliable fuel delivery and engine performance.
Fuel Pump
OEM-quality fuel injection pumps for diesel engines. Factory-tested for pressure and flow.
Why 500+ Workshops Trust WEIYE Parts
Factory Direct
Skip middlemen. Get manufacturer pricing on quality aftermarket parts.
MOQ 1 Piece
No bulk requirements. Order exactly what you need, when you need it.
1-Year Warranty
Every part backed by 12-month warranty with free replacement.
OEM/ODM Custom
Drawing-based, sample-based, or full customization available.
Popular Parts
High-demand engine parts trusted by workshops and distributors worldwide.
Get Your Parts in 3 Steps
A simple, transparent process from inquiry to delivery.
Tell Us What You Need
Send us your part number, engine model, or machine type.
Receive Your Quote
We confirm availability, specs, and pricing within 24 hours.
Fast Global Shipping
Parts shipped via DHL/FedEx/sea freight to your door.
About WEIYE Machinery
Based in Guangzhou, China, WEIYE Machinery specializes in aftermarket diesel engine parts for excavators and heavy construction equipment. We supply workshops, rental companies, and distributors across 30+ countries with reliable replacement parts at competitive prices. With OEM-grade quality control, full inspection reports, and responsive multilingual support, we make sourcing engine parts easy and risk-free.
Factory Photo
What Our Clients Say
Real feedback from equipment professionals around the world.
“Excellent quality cylinder liners. We've been ordering for 6 months now, every batch passes our QC. Response time is impressive — usually get quotes within hours.”
Ahmad R.Al-Faisal Equipment Services🇸🇦 Saudi Arabia
“Good price, fast delivery. Ordered starter motors and crankshaft bearings for our Komatsu fleet. All parts fit perfectly. Will continue to order.”
Budi S.PT Maju Excavator🇮🇩 Indonesia
“We needed hard-to-find Doosan DE12 parts urgently. WEIYE had them in stock and shipped within 2 days via DHL. Very professional team.”
Carlos M.Constructora del Pacífico🇨🇱 Chile
Machinery Test Reports Provided
30+ Countries Served
24-Hour Response Time
Secure Payment (T/T, PayPal, Western Union)
Resources & Guides
Technical insights and maintenance knowledge — more content coming soon.