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Technical guides and maintenance tips for excavator engines will be published here.
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Cylinder liners, fuel pumps, crankshafts, ECU modules & more. Compatible with Cummins, CAT, Komatsu, Doosan, Volvo. MOQ 1 piece.
Compatible With Major Engine Brands

Complete engine assemblies and engine components for excavators and heavy equipment.

Cast iron cylinder blocks for diesel engines, machined to OEM specifications.

Complete and bare cylinder heads for excavator engines with proper valve seat geometry.

Forged and cast crankshafts with precision-ground journals for smooth operation.

Upper and lower gasket sets for engine overhaul and rebuild operations.

Cylinder liner kits including liner, piston, rings, pin, and snap ring.

Precision fuel injectors for reliable fuel delivery and engine performance.

OEM-quality fuel injection pumps for diesel engines. Factory-tested for pressure and flow.
Skip middlemen. Get manufacturer pricing on quality aftermarket parts.
No bulk requirements. Order exactly what you need, when you need it.
Every part backed by 12-month warranty with free replacement.
Drawing-based, sample-based, or full customization available.
High-demand engine parts trusted by workshops and distributors worldwide.
A simple, transparent process from inquiry to delivery.
Send us your part number, engine model, or machine type.
We confirm availability, specs, and pricing within 24 hours.
Parts shipped via DHL/FedEx/sea freight to your door.
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.
Real feedback from equipment professionals around the world.
โExcellent quality cylinder liners. We've been ordering for 6 months now, every batch passes our QC. Response time is impressive โ usually get quotes within hours.โ
โGood price, fast delivery. Ordered starter motors and crankshaft bearings for our Komatsu fleet. All parts fit perfectly. Will continue to order.โ
โWe needed hard-to-find Doosan DE12 parts urgently. WEIYE had them in stock and shipped within 2 days via DHL. Very professional team.โ
Technical insights and maintenance knowledge โ more content coming soon.
Technical guides and maintenance tips for excavator engines will be published here.
Read MoreTechnical guides and maintenance tips for excavator engines will be published here.
Read MoreTechnical guides and maintenance tips for excavator engines will be published here.
Read More