Dominion Parts
Dominion Parts
One place for engine and heavy equipment components — fast quoting, verified quality, global shipping.
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Designed for B2B buyers: we address delivery, quality, cost, and engineering support to establish trust quickly.
ISO system, batch traceability, inbound sampling — stable and consistent quality across every order.
Core SKUs in safety stock, rush handling for urgent POs, flexible global logistics to minimize downtime.
10+ senior engineers; match by model / SN / photos for the highest identification accuracy.
DDP / FOB / EXW terms available; complete customs documentation and compliance certificates supplied.
ISO / CE certified, with proven deployments across mining, construction, and port machinery worldwide.
OEM-level precision and reliability engineered to balance Total Cost of Ownership for long-term savings.
From precision engine internals to complete diesel gensets and heavy equipment assemblies — a comprehensive catalogue built for industrial-scale procurement.
Equipped with state-of-the-art CNC machining centers, robotic automation, and precision testing systems, our factories deliver consistent, high-quality output at scale. Every process — from forging and heat treatment to assembly and final inspection — is guided by strict IATF 16949 and ISO 9001 quality standards. Our experienced engineering team ensures that each component not only meets but exceeds international OEM requirements for performance and durability.
1,000+ CNC Machining Centers
IATF 16949 & ISO 9001 Certified
Annual Capacity: 1M+ Units
Robotic Assembly Automation
LEITZ CMM Precision Lab
VDA 6.3 Process Audits
Advanced foundry with Germany KW sand molding, low/high-pressure and gravity casting lines. Annual capacity exceeds one million cylinder blocks and heads, ensuring reliable OEM and aftermarket supply.
30 advanced production lines with 1,000+ CNC centers, honing machines and specialized equipment, delivering precise, efficient machining of engine blocks, heads, crankcases, and new energy housings.
Equipped with LEITZ CMM, SPECTRO analyzer, Talyrond, Hommel profiler, and VDA 6.3 certified lab, ensuring every engine component meets global OEM standards for accuracy and durability.
Every shipment is backed by internationally recognised quality frameworks — giving procurement teams full confidence in compliance and traceability.
Automotive quality management system — the gold standard for engine component manufacturing.
Comprehensive quality management covering every stage from raw material sourcing to final dispatch.
European conformity certification ensuring products meet EU safety, health, and environmental requirements.
German automotive process audit standard — rigorous in-process inspection and supplier qualification protocol.
Beyond standard catalogue parts, Dominion offers full-spectrum custom engineering — from drawing review and prototype development to mass production and private-label packaging.
Our engineering team reviews customer drawings and specifications, providing feasibility analysis and DFM (Design for Manufacturability) recommendations before tooling investment.
Rapid prototype production with T1 samples typically delivered within 15–25 working days, including full dimensional reports and material certifications for customer approval.
Full private-label service available: custom branding, part numbering, barcoding, and packaging design aligned with your brand identity and logistics requirements.
With 30 production lines and 1,000+ CNC centers, we scale seamlessly from small batch orders to high-volume annual contracts without compromising lead time or quality.
Provide a worn or obsolete part and our engineers will reverse-engineer it to exact tolerances — ideal for legacy equipment where OEM drawings are no longer available.
Every OEM order ships with a complete documentation package: material certs, CMM reports, PPAP documents, test reports, and customs compliance paperwork.
From open-pit mining fleets to offshore port cranes — see how Dominion's parts and engineering support keep critical machinery running.
A major Australian iron-ore operator needed a reliable aftermarket source for Cat 793 engine rebuild kits after extended OEM lead times caused fleet downtime. Dominion supplied a 12-month rolling blanket order covering pistons, liners, bearings, and gasket sets with 100% on-time delivery.
A Gulf-region infrastructure contractor running 40+ Komatsu PC800 excavators required fast-turnaround undercarriage and hydraulic components. Dominion's engineer team matched all 200+ SKUs by machine SN within 48 hours and dispatched the first shipment within 5 days via DDP.
A Rotterdam container terminal operator required CE-compliant engine components for Liebherr ship-to-shore cranes. Dominion provided full CE documentation, SPECTRO material analysis reports, and a dedicated account engineer — meeting the terminal's strict procurement compliance requirements.
* Brand names are used for reference only and do not imply direct endorsement.
With 30 years of experience, Dominion is a trusted supplier of OEM-quality engine components. Our advanced factories in China, ISO-certified quality systems, and strong R&D team ensure precision, reliability, and durability.
Supported by a global distribution network, we provide fast delivery and customized solutions, helping partners reduce downtime, control costs, and stay competitive worldwide. Our 120+ qualified vendors and curated supply chain mean every component arrives traceable, certified, and ready to install.
Flexible global logistics — DDP / FOB / EXW terms to suit any trade requirement
Rapid quotation & safety stock maintained for all key SKUs — 48–72h dispatch
IATF 16949 & ISO 9001 certified quality assurance — every batch traceable
Trusted by global OEM & aftermarket clients across 65+ countries
10+ senior engineers for precise part identification by model, SN, or photos
12,000+ annual shipments with 98% on-time delivery and 87% repeat purchase rate
Real feedback from procurement managers, fleet operators, and engineering teams across the globe who rely on Dominion every day.
"Dominion's engineer team matched all our Komatsu parts by serial number within 24 hours. The quality was indistinguishable from OEM and the DDP delivery saved us enormous customs headaches. We've been reordering quarterly for three years."
"We tested Dominion's cylinder heads against OEM spec on our Liebherr cranes. SPECTRO reports matched perfectly. CE documentation was complete and accepted first time by our compliance team. Excellent professional service."
"After switching to Dominion for our Cat 793 rebuild kits, our cost per overhaul dropped by over 20%. The 48-hour dispatch on safety-stock items keeps our trucks rolling. Their account engineer responds within the hour — that's rare."
Get a fast quote from our engineering team — part matching, pricing, and availability confirmed within 24 hours. Trusted by 65+ countries worldwide.
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