Diesel injection repair workshop with technicians testing injectors on a bench
Customers & Partners

Supplying the Global Diesel Injection Aftermarket

Repair workshops, remanufacturers, wholesalers and fleet maintenance teams buy from Geruis Diesel: test benches plus multi-brand compatible injectors, pumps, fuel rails, nozzles, valves and plungers, with help choosing the right part by OE number.

  • Parts listed
    0
  • Warranty
    12 months
  • Shipping
    3–30 days
  • Tech support
    24/7
Who We Serve

Customer Types

Each buyer group has different priorities. Here is how we support each one.

Diesel Repair Workshops

  • —Test benches and repair parts from one supplier
  • —Help choosing parts by engine brand and model
  • —Technical support by WhatsApp, email or video call

Remanufacturers & Rebuilders

  • —Plungers, valves, ball seats and repair kits in volume
  • —Quality certificates available on request
  • —Samples before you commit to a volume order

Wholesalers & Distributors

  • —Quotes for full OE number lists
  • —Parts compatible with Bosch, Denso, Delphi and more
  • —Tracking number provided once goods ship

Fleet Maintenance Departments

  • —Replacement parts to keep trucks running
  • —Fitment check before you order
  • —12-month warranty from the delivery date

Construction Machinery & Truck Aftermarket

—Unit pumps for excavators and loaders

—PCV valves and plungers for Komatsu, Hino and Isuzu applications

—Truck parts for Toyota, Isuzu, IVECO and Scania applications

—Pickup and SUV injectors for Hilux, Land Cruiser and D-Max applications

Markets

Where Our Customers Are

We serve three language regions from Taian, Shandong, China. You can contact us in your region's language.

World map showing the Spanish-speaking, Russian-speaking and English-speaking markets we serve
Latin America
Russian-speaking region
English-speaking markets
Taian, China

Spanish-speaking Latin America

ES

Our main market. Our original site is in Spanish, and wholesale (venta por mayor) buyers get quotes by OE number.

Russian-speaking Region

RU

Customers in this region can order through a regional contact.

English-speaking Markets

EN

Remanufacturers, rebuilders and workshops that need help with part selection and technical support.

Our Customers

Customers We Work With

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Typical Scenarios

How We Work With Customers

Three common buying situations, with what each customer needs and what we supply.

Common rail test bench installed in a diesel repair workshop

Repair Workshop Buys a Test Bench

Need

Test and calibrate pumps and injectors in-house. Worried about the upfront cost and about getting setup support.

We provide
  • Injection pump, common rail, EUI-EUP and HEUI test benches
  • Payment terms negotiated per contract
  • Technical support by WhatsApp, email or video call
Precision plungers and valve plates laid out for inspection

Remanufacturer Buys Precision Parts in Volume

Need

Plungers, valve plates and ball seats with steady tolerances, plus quality documents to pass on to their own customers.

We provide
  • Pump plunger elements, injector valves and repair kits
  • Quality certificates and samples on request
  • Help matching the correct valve plate to each injector series
Warehouse shelves stocked with diesel injection parts

Wholesaler Restocks by OE Number

Need

Restock many OE numbers at once, avoid mix-ups between variants, and get delivery times they can plan around.

We provide
  • One quote for your full OE list
  • Details confirmed for each variant before shipping
  • Shipping in 3–30 days, with a tracking number
Customer Feedback

What Customers Say

These spaces are reserved for customer reviews. We publish reviews only with the customer's approval.

A review from a diesel repair workshop will appear here.

Placeholder photo for a workshop customer
Repair Workshop
Latin America

A review from an injector and pump remanufacturer will appear here.

Placeholder photo for a remanufacturer customer
Remanufacturer
English-speaking market

A review from a parts wholesaler will appear here.

Placeholder photo for a wholesale customer
Wholesaler
Russian-speaking region
Our Commitments

What Every Customer Gets

Certificates

Quality Certificates & Samples

  • Quality certificates on request
  • Samples before bulk orders
  • Documents you can pass on to your own customers
12 Months

Warranty

  • Starts on the delivery date
  • Repair or replacement for faulty parts
  • Some items have their own terms; check each product page
3–30 Days

Shipping

  • Time depends on destination and shipping method
  • Tracking number sent after dispatch
  • Track your shipment on our Track Your Order page
24/7

Technical Support

  • Available on WhatsApp
  • Available by email
  • Video calls for test bench setup and troubleshooting
Technician inspecting injector nozzles Diesel pump being calibrated on a test bench Diesel parts packed in cartons ready for export Support engineer on a video call with a customer
Getting Started

Three Steps to Working With Us

Start with a small trial order. Move to volume orders once you have checked the quality yourself.

  1. 01

    Sample Trial Order

    • Send your engine brand, model and OE number
    • We help select the right part and confirm details
    • Samples and quality certificates on request
  2. 02

    Quality Check

    • Test the samples on your own bench or engine
    • Our technical team answers questions by WhatsApp, email or video call
    • We confirm the final specifications with you
  3. 03

    Bulk Orders

    • Contract drafted, payment terms negotiated
    • Payment by SWIFT bank transfer or a secure payment system
    • Shipping in 3–30 days, with a tracking number
Wholesale / Venta Por Mayor

Wholesale Pricing for Your OE List

Send us your full list of OE numbers. We confirm each variant, then send one quote covering all of them.

  • ■Fuel rails, injectors, injection pumps
  • ■Nozzles, valves, plunger elements
  • ■Feed pumps, PCV and stop solenoid valves
  • ■Unit pumps, repair kits, tool kits

These parts are compatible with Denso, Bosch, Delphi, Caterpillar, Cummins, Siemens and other brands. We are not an authorized dealer for these brands.

Common rail fuel rails stocked for wholesale orders Boxes of injector nozzles ready for wholesale shipment