Multi-brand compatible diesel injection parts & test benches · Fitment check before quotation
Answers on part selection, OE number variants, quality documents, test benches, payment, shipping and warranty. Written for repair shops, remanufacturers and wholesalers.
Our parts are supplied as compatible replacements for Bosch, Denso, Delphi, Caterpillar, Cummins, Siemens and other systems. We are a multi-brand supplier, not an authorized distributor or official agent of these brands.
One OE number can match more than one part. For example, 0445214270 is listed both as an injection pump part and as a fuel rail. Send us the details below and we confirm the exact variant before you order.
Not sure about your part number? Our team checks it for you.
Send Your OE NumberSend us these three items. They are enough to match most injectors, pumps, rails and nozzles:
Some OE numbers are used across several listings. 0445214270, for example, is listed both as an injection pump part and as a fuel rail. Ordering by number alone can get you a part that does not fit. Tell us the part type and engine, and we confirm the variant before quoting. This avoids returns and rework.
Injectors in the Denso 095000 series use different valve plates, such as 04# and 18#. A mismatched plate changes injection behavior and can fail test bench checks. Send us the injector number and the marking on your current plate, and our technicians confirm the right one.
Parts are compatible with Denso, Bosch, Delphi, Caterpillar, Cummins, Siemens and other systems. The range covers fuel rails, injectors, feed pumps, injection pumps, nozzles, injector valves, unit injectors, unit pumps and pump elements. Browse the current catalog below.
Plungers, valve plates and ball seats are precision parts. A small tolerance error causes abnormal fuel delivery and failed bench results. We apply strict quality control before shipment. For volume orders, request samples first and run them on your own test bench before you commit.
Yes. Quality certificates and samples are available on request. Remanufacturers and wholesalers can use the certificates as supporting documents when supplying their own customers. Tell us which OE numbers you need them for when you send your inquiry.
These words appear in some product titles. They are not a site-wide claim. What applies to each item is what its own product description says. If you need to know a part's condition or source before ordering, ask us and we confirm it for that specific item.
For shops that test and calibrate diesel injection pumps.
For workshops that repair common rail injectors and pumps.
For shops that service electronic unit injectors and unit pumps.
For shops that service hydraulically actuated electronic unit injectors.
Choose the bench that matches the systems you repair most often: mechanical pumps, common rail, EUI/EUP or HEUI. Tell us the engine brands you service and your typical workload, and we recommend a bench and the tools and parts that go with it.
Technical support is available 24/7 through these channels.
Yes. Payment terms are agreed individually for each contract. See Payment & Contracts below.
We accept SWIFT bank transfer and a secure payment system. We confirm the payment details in your contract.
Yes. Payment terms are negotiated separately for each order, which helps with larger purchases such as test benches or bulk parts orders.
Inquiry by WhatsApp, email or form with engine brand, model and OE number
We help select the part and confirm product details with you
Quality certificates and samples provided on request
Contract drafted, with payment terms agreed
Payment by SWIFT transfer or secure payment system
Shipment arranged and tracking number sent to you
Delivery takes 3–30 days, depending on your destination and the shipping method. Tell us your deadline when you inquire, and we suggest the shipping option that fits it.
We send you a tracking number after dispatch. Enter it on our website's "Track Your Order" page to check the shipment status.
Customers in the Russian-speaking region can order through our regional contact. Tell us your country when you reach out, and we connect you with the right person.
Products carry a 12-month warranty from the delivery date. Some injector nozzles, including certain BaiYuan nozzle listings, show a 6-month warranty in the title. For these, the individual product description applies.
Technical support is available 24/7 by WhatsApp at 008619074265236, by email at sales@grsdiesel.com, or by video call on request.
Send your full OE list in one message. We check every number, flag variants and quote the complete list.
Send your engine brand, model and OE number. We help you choose the right part or test bench.