Problem 01
OEM parts cost too much
Original valves, repair kits and solenoid assemblies take too much of your margin.
Our answer
Replacement parts compatible with Bosch and Denso systems, so you pay less for the same repair.
Geruis Diesel · Taian, Shandong, China
Diesel Injection Test Benches & Common Rail Parts from One Supplier
Pump, common rail, EUI-EUP and HEUI test benches, plus injectors, pumps, nozzles, valves and fuel rails. Our parts are compatible with Bosch, Denso, Delphi, Caterpillar, Cummins and Siemens systems.
- 3–30days delivery with tracking
- 12months warranty from delivery
- SWIFTor secure payment system
Buyer Problems, Solved
What slows down diesel workshops and rebuilders, and how we fix it
Repair shops, remanufacturers and parts wholesalers tell us about the same four problems. Here is how we handle each one.
Problem 02
Part numbers are hard to match
Cross-references between the 095000 series and HP0, HP3 and CP3 pumps cause wrong orders and rework.
Our answer
Send us the brand, engine model and part number. We confirm fitment before you pay.
Problem 03
Waiting weeks for stock
Late parts such as Cummins ISBe/QSB solenoid assemblies hold up your repair and rebuild schedule.
Our answer
Fast dispatch, 3–30 days delivery depending on region and shipping method, and a tracking number for every order.
Problem 04
No support after purchase
Many cross-border suppliers stop responding once the goods have shipped.
Our answer
12-month warranty with repair or replacement, plus technical support by WhatsApp, email or video call.
Core Equipment
Diesel injection test benches
Test benches are our main product line. They cover mechanical pumps, common rail, unit injector and unit pump systems, and HEUI systems. Tell us what you service and we will recommend a bench.
Test Bench
Diesel Injection Pump Test Bench
- For testing and calibrating injection pumps
- For pump repair shops and rebuilders
- We help you choose the right configuration
Test Bench
Common Rail Test Bench
- For common rail injectors and pumps
- Works with CP, HP and similar pump families
- Technical support after installation
Test Bench
EUI-EUP Test Bench
- For electronic unit injectors and unit pumps
- Suited to truck and construction machinery work
- Support by WhatsApp, email or video
Test Bench
HEUI Test Bench
- For hydraulically actuated electronic unit injectors
- For shops that service HEUI systems
- 12-month warranty from delivery
Popular Parts
Popular replacement parts
Search by part number and check fitment against your engine. Each part is sold as compatible with, or a replacement for, the listed brand. Confirm the part status for each SKU when you request a quote.
- Compatible with Bosch
- Compatible with Denso
- Compatible with Delphi
- Replacement for Caterpillar
- Replacement for Cummins
- Compatible with Siemens
Can't find your part? Send us the part number. We check cross-references for Bosch, Denso and Delphi systems.
Request a Parts QuoteWho We Supply
Solutions by application
Pick your business type to see matching test benches and replacement parts.
Pump & Injector Repair Shops
Test benches, repair kits, valves and plungers
Remanufacturers & Rebuilders
Reliable bulk supply of nozzles, valves and elements
Parts Wholesalers & Distributors
Wide range of parts for wholesale orders
Truck Fleets
Parts for Isuzu, Hino, IVECO, Scania and Daewoo trucks
Construction Machinery
Unit pumps and injectors for excavators and loaders
Pickup & SUV Diesel
Parts for Hilux 2KD-FTV / 1KD-FTV, D-Max 4JJ1 and Land Cruiser 200 1VD-FTV
Service Guarantees
Clear terms for every order
3–30 days
Delivery by region and shipping method
12 months
Warranty from delivery, repair or replace
Remote
Tech support via WhatsApp, email and video
SWIFT
Or secure payment, terms negotiable
Tracked
Tracking number sent after dispatch
Some BaiYuan nozzles have a 6-month warranty. The product page shows the warranty for each item.
How It Works
From first message to after-sales support
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01
Contact
Message us on WhatsApp or by email.
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02
Confirm
We confirm the brand, engine model, part number and quantity, and help with selection if needed.
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03
Contract
We draft the contract for your review.
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04
Payment
Pay by SWIFT or a secure payment system. Terms are negotiable.
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05
Shipping
Delivery in 3–30 days.
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06
Tracking
You get a tracking number to follow your shipment.
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07
After-Sales
Repair or replacement under warranty, plus technical support.
Quality Control
See the evidence before you order in volume
Every product is strictly inspected before shipment. If you are ordering from a new supplier, check the quality yourself first.
- Every part is strictly inspected before dispatch
- Inspection details for your parts shared on request
- Samples available to check fit and quality before a bulk order
- Each part's status (original, aftermarket or remanufactured) confirmed in your quote
About Geruis Diesel
Multi-brand diesel injection supplier based in Taian, China
Taian Geruis nuevo material Co., Ltd trades as Geruis Diesel. We are based in the High-tech Development Zone of Taian City, Shandong Province. Our main products are diesel injection system test benches: pump, common rail, EUI-EUP and HEUI.
We also supply diesel engine testing tools and parts, including injectors, injection pumps, feed pumps, fuel rails, nozzles, valves, plungers, unit pumps and repair kits. These parts are compatible with Denso, Bosch, Delphi, Caterpillar, Cummins and Siemens systems. We focus on product quality, professional technical support, fast shipping and reliable after-sales service.
Learn More About UsRequest a Quote
Send your part numbers or engine models
Paste your list, with brand, part number, engine model and quantity. We confirm fitment, prices and delivery time. You can also ask us to recommend a test bench for your workshop.
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WhatsApp
008619074265236 -
Email
sales@grsdiesel.com -
Address
High-tech Development Zone, Taian City, Shandong Province, China