BH3Q75R8 Injection Pump
BH3Q75R8 Injection Pump. Aftermarket injection pump supplied by Vidishi Auto. Compatible with listed vehicles. MOQ 1 piece. WhatsApp bulk pricing.
$140.00
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Product Details
BH3Q75R8 — Overview
The BH3Q75R8 is an aftermarket injection pump supplied under the Vidishi Auto brand, built as a direct-fit replacement for the reference reference BH3Q75R8. It is a drop-in unit for the applications listed in the fitment section.
We stock this unit for wholesale, fleet and retail repair supply, with batch traceability on every order.
Fitment — BH3Q75R8
Compatible with the following listed applications. Always confirm the BH3Q75R8 by matching the OE number on the part label and the engine code on the vehicle data plate.
- Changchai 380DI 3-cylinder diesel (22 kW / 3000 rpm)
- Changchai 375 / 380 / 385 class engines
- Yangdong, Quanchai and Laidong small diesel engines
- small tractors, generator sets and agricultural transport
Engine codes: Changchai 380DI, Changchai 375 / 380 / 385, Yangdong / Quanchai / Laidong 3-cylinder diesel · Model years: confirm by engine model (mechanical inline pump).
Specifications
| Part number | BH3Q75R8 |
| Product type | Injection Pump |
| Condition | New |
| Brand | Vidishi Auto |
| MOQ | 1 piece |
| Model years | confirm by engine model (mechanical inline pump) |
| Fuel Type | Diesel |
| Configuration | 3-cylinder inline mechanical pump |
| Governor | mechanical centrifugal |
| Plunger Diameter | 7.5 mm (BH series) |
| Delivery Valve | R8 designation |
| Housing | cast iron, precision-machined |
| Rated Speed | 3000 rpm |
| Rated Power | 22 kW |
Values shown are the published specifications for this BH3Q75R8. Confirm critical values against the OE part before bulk order.
Common Failure Symptoms
Before replacing, confirm the fault. Signs that point to a failing BH3Q75R8 injection pump include:
- Irregular or hunting idle from governor or plunger wear
- Power surging under load
- Hard cold starting
- Smoky or uneven running from delivery-valve leakage
- Loss of power from worn plungers and low delivery volume
These symptoms can also arise from related components, so verify the fuel pressure and electrical supply before fitting a new unit.
Installation Notes
Mechanical inline pumps require static spill timing: rotate to TDC compression on cylinder 1 and align the pump drive-gear timing marks to the flywheel pointer. Prime the pump with clean diesel until air clears at the high-pressure unions, torque the delivery-valve holders incrementally, and top the governor oil to the specified level (SAE 10W-30) before first crank to avoid dry-start seizure.
Cross Reference — BH3Q75R8
The BH3Q75R8 injection pump is interchangeable with, and replaces, the following reference numbers:
- BH3Q75R8
- 3QF125
- BH3Q65R8
- BH3Q70R8
- 3Q130
Reference: this is a compatible replacement part supplied under the Vidishi Auto brand. It is not a genuine OEM product and is not sold as, or endorsed by, the original manufacturer. Trademarks are the property of their respective owners and are used only to describe compatibility.
Product Gallery
Frequently Asked Questions
Is the BH3Q75R8 a genuine OEM part?
It is an aftermarket replacement injection pump supplied under the Vidishi Auto brand, built to the Kangda BH3Q75R8 / 3QF125 specification. It is not sold as a genuine part of any engine maker.
Which engines use the BH3Q75R8?
It is a direct fit for Changchai 380DI class three-cylinder diesels and related 375/380/385 engines, including Yangdong, Quanchai and Laidong small diesels used on tractors and generator sets.
What is the difference between 3QF125 and BH3Q75R8?
They are the same pump: 3QF125 is the ordering code and BH3Q75R8 is the pump model. Match by the code stamped on your old pump.
How many cylinders and what plunger size?
It is a three-cylinder inline pump with 7.5 mm BH-series plungers and R8 delivery valves, mechanically governed.
What are the signs this injection pump is worn?
Hunting idle, power surging under load, hard cold starting and smoky running, usually from plunger wear, delivery-valve leakage or governor spring fatigue.
How do I confirm the right pump before ordering?
Send the ordering code and engine model from your old pump (for example 380DI) and we will confirm the correct variant and timing data.
Wholesale & Bulk Supply
We supply the BH3Q75R8 to wholesale distributors, fleet operators and repair shops. MOQ starts at 1 piece; container and mixed orders are available.
As an aftermarket injection pump supplier we support OEM-coded ordering, part-number matching and drop-shipment. Contact our team on WhatsApp for lead times and tiered pricing.
Applications & Search Terms
Buyers and workshops searching this unit typically use terms such as injection pump, injection pumps, fuel injection pump, diesel injection pump repair, fuel injection pump repair, injection pump rebuilders near me, injection pump stanadyne, diesel injection pump.
Across catalogues the same unit also appears under these part numbers and search terms:
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Typical applications include the listed vehicles model years confirm by engine model (mechanical inline pump).
Quality & Warranty
Every injection pump is inspected before dispatch and covered by a 12-month functional warranty against manufacturing defects. Each unit is batch-traceable by part number BH3Q75R8.
Shipping & Handling
We ship injection pump worldwide by air, sea and courier. MOQ 1 piece. Standard protective packaging; fuel-system parts are drained and sealed for transport. Ask for the current lead time and freight quote on WhatsApp.
Ready to order the BH3Q75R8?
Send the part number BH3Q75R8 and your quantity for a quotation. Our team replies on WhatsApp within one business day.
Fitment Support
Not 100% sure the BH3Q75R8 fits? Send the VIN or the OE number from your old part and we will confirm the correct injection pump before you order. Technical support is free.
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