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Siemens VDO / Continental 5WS40094 Diesel Fuel Pump
Siemens VDO / ContinentalPart No: 5WS40094
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5WS40094 is a high-pressure diesel fuel pump, not an injector. It is sold on its dedicated fuel-pump page, where the current price and stock are shown. This legacy page cannot be ordered from.
Fitted to the Ford C-MAX (2007-2010), the Siemens VDO / Continental 5WS40094 is a professionally remanufactured diesel high-pressure fuel pump supplied ready to fit. Each unit is supplied with a 12 months warranty and free UK delivery.
All prices are shown in GBP (£). International customers are securely charged in GBP via Stripe.
12-Month Warranty
Included on every remanufactured injector. UK-based support if you ever need it.
Tested Before Dispatch
Flow-tested and calibrated on OEM-grade rigs. Test report on file for every unit.
Free UK Delivery
Mainland tracked dispatch. Order before 2pm for same-working-day pick-up.
Trade buyers: VAT receipt included · Account terms on request · Trusted by UK garages & diesel specialists.
Why Buy From Us
Not sure this is the right injector? Call us on 020 3355 6581
FREE UK Delivery
International Delivery — flat £50 per order
One injector or multiple injectors
Need more later? We keep stock available for repeat orders.
Engine Intelligence
Common symptoms
Fitment note: Always confirm compatibility using registration lookup or part number before ordering.
Why this injector?
- Suitable for the Ford C-MAX and related diesel variants supplied with this common-rail injector type.
- Siemens VDO / Continental diesel injector — flow-tested and calibrated on common-rail equipment before despatch.
- Commonly specified when investigating rough idle, injector knock, smoke or poor fuel economy on Ford diesel engines.
- 12-month warranty, free UK delivery and a £20 refundable core deposit per injector (refunded after we receive and inspect your old unit — return it within 30 days).
Explore this range
Remanufacturing Process
See how our injectors are rebuilt step-by-step in our 3D remanufacturing process video.
Vehicles Compatible With This Siemens VDO / Continental Injector
Compatible with Ford engines.
Vehicles Using This Injector
Also known as
This fuel pump is sold and listed under the references below. Tap any number to copy it — every reference refers to this same product.
All references resolve to this canonical product page. Always confirm exact fitment before ordering.
Compatible Vehicles
This injector fits the following vehicles. Always confirm exact fitment by engine code or registration before ordering.
Product Description
Fitted to the Ford C-MAX (2007-2010), the Siemens VDO / Continental 5WS40094 is a professionally remanufactured diesel high-pressure fuel pump supplied ready to fit.
Each unit is supplied with a 12 months warranty and free UK delivery.
Workshop Information
Installation Notes
- Professional injector coding may be required after installation
- Torque to manufacturer specification
- Use calibrated test equipment for verification
- Check engine-specific torque values before installation
Recommended Injector Coding
No injector coding is required for the Siemens VDO / Continental unit on most applications — follow the manufacturer fitting procedure.
Replacement Advice
Always renew the copper washers / seals and bleed the fuel system before first start. Replace only the injectors your diagnosis confirms and torque fasteners to the manufacturer's published values.
Professional Installation
We recommend installation by a suitably equipped diesel specialist using calibrated test equipment to verify the fuel system after fitting.
Common Symptoms of a Failed 5WS40094 Injector
If your vehicle shows these symptoms, replacing the diesel fuel pump may restore engine performance. A leak-off test can confirm the diagnosis.
Testing & Warranty
All remanufactured injectors are tested using OEM-grade diagnostic equipment to ensure fuel pressure and spray pattern meet manufacturer specifications.
OEM Test Bench Calibration
Flow-tested on Bosch EPS 200 series bench to verify fuel delivery rates at all operating pressures.
Leak-Off Testing
Each injector is tested for return flow to ensure no excess fuel is wasted back to the tank.
Solenoid Calibration
Electrical response time verified to ensure precise injection timing and quantity.
12-Month Warranty
Full replacement or refund covering manufacturing defects under normal use. No quibble.
Frequently Asked Questions
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Cross References
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Learn More
A2C59513556 / 9802448680 / 9674973080 Diesel Injector Guide: Compatibility, Problems & Replacement
Read guide
Diesel Injector Leak Back Test: How to Find a Faulty Injector
Read guide
Common Rail Diesel Injectors: How They Work, Why They Fail & When to Replace Them
Read guideWorkshop Knowledge for This Injector
Common Symptoms
Workshop Guides
Every remanufactured injector includes a 12-month warranty and is bench-tested to OEM spec before dispatch.
Old-unit exchange applies — your core surcharge is refunded when we receive your old injector.
Not sure if 5WS40094 fits your vehicle?
Enter your registration and we'll confirm compatibility.