Compatibility
Which brands are your parts compatible with?
Our parts are sold as compatible with or replacements for these brands:
- Bosch
- Denso
- Delphi
- Caterpillar
- Cummins
- Siemens
Geruis Diesel · Buyer FAQ
Questions to Answer Before You Buy Diesel Injection Parts and Test Benches
Straight answers on compatibility, part selection, quality checks, payment, delivery and warranty. They're written for repair shops, remanufacturers and wholesale buyers who order by part number.
3–30
Days delivery, by region
12
Months warranty
24/7
Technical support
0
Products listed
01 · Browse by Topic
Jump to the question you need answered
02 · Most Asked
The three questions buyers ask first
Lead Time
How long does delivery take?
3–30 days
- Timing depends on your region and shipping method
- We send a tracking number after dispatch
- Confirm the part number first to avoid reshipping
Warranty
Is there a warranty?
12 months
- Starts on the delivery date
- Repair or replacement for issues within the warranty period
- Some nozzles have a different term. The product page shows it.
Are your parts original Bosch, Denso or Delphi parts?+
No. Geruis Diesel is a multi-brand supplier. We're not an authorized dealer or official agent for any of these brands. Our parts are sold as compatible with / replacement for Bosch, Denso, Delphi, Caterpillar, Cummins, Siemens and other brands.
Each product page states whether an item is new or remanufactured. Please confirm this for each SKU before you order.
Which product lines do you supply?+
- Test benches for injection pumps, common rail, EUI-EUP and HEUI systems
- Diesel injectors and injector nozzles
- Injection pumps: CP1, CP3, HP0, HP3, HP4, HP5, HP7
- Fuel rails, feed pumps, solenoid valves and PCV valves
- Unit pumps, unit injectors and pump elements (plungers)
- Injector valves, repair kits, tool kits and filters
Which applications do your parts cover?+
Our buyers work on trucks and commercial vehicles (Isuzu, Hino, IVECO, Scania, Daewoo, Toyota), construction equipment such as Komatsu excavators and loaders, and diesel pickups and SUVs. Examples include Toyota Hilux 2KD-FTV / 1KD-FTV, Land Cruiser 200 1VD-FTV and Holden D-Max 4JJ1.
How do you help me choose the right part?+
Send us these details and we'll cross-match the part before we quote:
- 01 Brand (Bosch, Denso, Delphi…)
- 02 Engine or vehicle model
- 03 Part number from the old part or catalog
- 04 Quantity needed
Can you match cross-reference numbers across pump families?+
Yes. Buyers often ask us to check part-number families where near-identical numbers are easy to mix up, such as HP0 PCV valves (094040-0081 / 0130 / 0150), CP3 pumps (0445020031) and HP3 pumps (294000-0294). We'll confirm the match with you before we draft the contract.
I only have a photo of the old part. Is that enough?+
Send the photo along with the engine model and any numbers stamped on the part. If the details aren't enough to confirm a match, our technician will ask for more before quoting. We can also check on a video call.
How do you control quality?+
- Every product is strictly inspected before shipment
- Quality certificates are available on request
- Samples are available on request, so you can test before a volume order
Can I order a sample before placing a bulk order?+
Yes. Tell us the part number and your target quantity, and we'll confirm the sample terms before shipping. This is common for remanufacturers and wholesalers qualifying a new supplier.
What documents come with an order?+
Sales contract
Quality certificate (on request)
Logistics tracking number
Not sure a part number matches your engine?
Send us the brand, engine model and part number. We'll confirm the cross-match before you pay.
Which payment methods do you accept?+
SWIFT bank transfer
International wire transfer to our company account.
Secure payment system
An online payment option, confirmed when we agree the order.
Are payment terms negotiable?+
Yes. Payment terms are agreed separately for each order, and we offer flexible options for repeat and volume buyers.
What happens between inquiry and payment?+
- 01Contact us on WhatsApp or by email
- 02Confirm the brand, model, part number and quantity
- 03We draft the contract
- 04You pay by the agreed method, and we arrange shipment
How long will my order take to arrive?+
Delivery takes 3–30 days, depending on your region and shipping method. We confirm the expected window with your quote so you can plan workshop or rebuild schedules.
Can I track my shipment?+
Yes. We send a logistics tracking number after dispatch, so you can follow the shipment to your door.
Where do you ship from?+
We ship from Taian, Shandong Province, China, to buyers worldwide, including Spanish-speaking markets and Russia.
What does the warranty cover?+
- 12 months from the delivery date
- If a problem occurs within the warranty period, we repair or replace the part
- Some injector nozzles, including some BaiYuan nozzles, carry a different warranty. The product page shows the term that applies.
How do I get technical support?+
Technical support is available 24/7 on WhatsApp, by email or by video call. Our technicians help with installation questions, test bench setup and troubleshooting.
Is there a dedicated contact for buyers in Russia?+
Yes. We have a dedicated contact channel for the Russia region. Message us on WhatsApp or by email and mention your country, and we'll connect you with it.
Still Have a Question?
Talk to a diesel injection technician
Share the brand, engine model, part number and quantity. We'll reply with a cross-match and a quote.
Ask Our Technician- WhatsApp / Phone
- 008619074265236
- sales@grsdiesel.com