Aftermarket replacement parts for Komatsu, Caterpillar, Volvo, Doosan and Chinese machinery. Common-rail diesel injectors for Weichai and Cummins. MOQ 1 piece, warranty 3-12 months (injectors 3-6 months), 2-5 day dispatch from Xi'an.
Best-selling replacement parts — in stock and ready to ship.
Eight sections — from excavator wear parts to common-rail diesel injectors.
Bucket teeth, adapters, cutting edges, track rollers, undercarriage, seal kits and filters for excavators.
Cutting edges, ripper teeth, undercarriage components, seals and filters for bulldozers.
Loader bucket teeth, cutting edges, pins, bushings and filters for wheel loaders.
Grader cutting blades, moldboard segments and blade holders for motor graders.
Rubber shock mounts, seal kits, filters and wear parts for road rollers.
Engine components for Weichai, Cummins and Sinotruk engines — turbochargers, fuel pumps, starters, gaskets and more. Common-rail injectors are listed under Injectors.
Hydraulic cylinder seal kits and oil, fuel, air, hydraulic filters for all machine types.
Common-rail diesel injectors, nozzle assemblies and injector repair kits for Weichai, Cummins, Sinotruk and other engines.
A company founded in 1998 serving 80+ markets — our aftermarket parts programme and supply chain system were launched in September 2026 to serve new and existing customers.
Low minimum order for workshops and dealers.
Wear parts 3-12 months; common-rail injectors 3-6 months (subject to correct installation).
Engineers answer with a quote within 24 hours.
Own stock in Xi’an for fast picking and packing.
Regular rail freight to Russia and Central Asia.
Parts matched to major machine and engine brands.
CAT
KOMATSU
HITACHI
VOLVO
DOOSAN
HYUNDAI
SANY
XCMG
SDLG
WEICHAI
CUMMINS
SHANTUINo — all items are aftermarket replacement parts. OEM numbers are listed for reference only, so you can cross-check fitment.
Common-rail injectors carry a 3-6 month warranty, subject to correct installation. Damage caused by poor fuel quality or contaminated fuel is not covered.
Yes — common-rail injectors for Weichai WP10/WP12, Cummins ISG, 6BT/6CT and Sinotruk engines, plus injector repair kits. Send your injector Bosch code for a cross-check.
Our MOQ is 1 piece for most stock items, which suits small workshops and dealers.
Stock parts ship in 2-5 days. For Russia and Central Asia we regularly use the China-Europe Railway Express.
Send the machine brand & model, or the OEM part number / VIN via WhatsApp. Our engineers cross-check before confirming.
T/T bank transfer, and other methods can be discussed with our sales team.
parts@smilemachinery.com · WhatsApp +8615319433340 · Telegram +8615319433340
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