Is the DENSO DCRI107850 compatible with the Mazda 6 (GG/GY)?

Yes. The DENSO DCRI107850 is a direct replacement diesel injector for the Mazda 6 (GG/GY) 2.0L and the other listed applications. Always confirm fitment by engine code or vehicle registration before ordering.

Does the DENSO DCRI107850 require injector coding?

No injector coding is required for the DENSO DCRI107850 on most applications. Always follow the manufacturer's fitting procedure.

Is the DCRI107850 supplied tested?

Yes. Every DENSO DCRI107850 is OEM bench-tested and calibrated to manufacturer tolerances before dispatch.

Is a warranty included with the DCRI107850?

Yes. The DENSO DCRI107850 includes a 12 months warranty as standard, with free UK delivery.

Is an exchange or core return required?

No core exchange is required for the DENSO DCRI107850. The price shown is the full price — nothing further to pay or return.

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This injector is available and fully tested. Original product images are being updated.

OEM Tested & Calibrated
12-Month Warranty
Free UK Delivery

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Need Help Confirming Fitment?

Not sure this injector fits your vehicle? Check using your registration number before ordering.

Engine Code or Cross Reference

DENSO DCRI107850 Diesel Injector

Name: Remanufactured DENSO Diesel Injector DCRI107850
Brand: DENSO
SKU: DCRI107850
Price: 170.00 GBP
Availability: InStock

DENSO

Part No: DCRI107850

·Trade & Garage Friendly

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The DENSO DCRI107850 diesel injector is a remanufactured common-rail injector for 2.0L engines. Remanufactured DENSO DCRI107850 (095000-5870 / 095000-7850 / 095000-8830, legacy 095000-5030) common-rail diesel injector for the Mazda 2.0 DI engine (OE RF5C13H50 / RF5C13H50A/B/C, RFY013H50 / RFY013H50A/B).

£170inc. VAT

(per injector)

+ £20 refundable core deposit per injector — refunded when your old unit is returned within 30 days

All prices are shown in GBP (£). International customers are securely charged in GBP via Stripe.

Save 38% vs OEM price

Professionally remanufactured to OEM standards

Ordering a single injector is standard practice.

Need multiple injectors? Simply increase the quantity above.

Every order includes a 12-month workshop warranty, OEM bench-calibration before despatch.

Most 4-cylinder engines use 4 injectors — replace only what your diagnosis confirms.

In stockTested & calibrated12-month warranty

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.

2 Compatible Engine Codes

7 OE References

5 DENSO References

Mazda OEM Replacement

OEM Bench Tested

Why Buy From Us

OEM Bench Tested & Calibrated

12 Month Warranty

Free UK Delivery

UK Diesel Injector Specialists

Technical Support Available

Not sure this is the right injector? Call us on 020 3355 6581

Free UK Delivery Same-Day Dispatch

FREE UK Delivery

International Delivery — flat £50 per order

One injector or multiple injectors

Ships Worldwide

FREE UK Delivery

Flat £50 International Shipping

Royal Mail Tracked
DPD International
Secure Packaging
Tracking Number Included
12 Month Warranty

Need more later? We keep stock available for repeat orders.

Engine Intelligence

Mazda 2.0 MZR-CD (RF5C / RF7J — Denso) RF5C

Common symptoms

Hard cold starting
Rough idle
Black smoke under acceleration
Misfire on individual cylinders
Fuel dilution of engine oil on failed regenerations

Documented failure modes

Injector leak-back beyond specification
Nozzle wear causing over-fuelling and oil dilution
Seat washer combustion leaks

Diagnostic guidance

Check the oil level for diesel dilution — a documented consequence of worn injectors on this engine
Compare leak-off volumes across all four injectors before ordering
Denso compensation codes must be registered via the manufacturer diagnostic procedure after fitting

Fault codes linked to this engine's injectors

P0201 P0202 P0203 P0204 P0263 P0266 P0269 P0300

Fitment note: RF5C (136) and RF7J (143) builds of the MZR-CD use different Denso references — confirm the DCRI / 095000 number etched on the injector.

Browse every diesel engine we cover →

Why this injector?

Fits the RF5C engine code used in the Mazda 6 (GG/GY) and related diesel variants.
DENSO 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 RF5C engines.
12-month warranty, free UK delivery and no core exchange required.

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Remanufacturing Process

Injector fully dismantled

Internal components cleaned and inspected

Worn parts replaced

Reassembled and calibrated

Tested before dispatch

See how our injectors are rebuilt step-by-step in our 3D remanufacturing process video.

Vehicles Compatible With This DENSO Injector

Compatible with Mazda engines including RF5C, RF7J.

Make	Model	Engine	Years
Mazda	6 (GG/GY)	RF5C / RF7J 2.0 DI (121–136 hp)	2002–2007
Mazda	MPV II (LW)	RF5C 2.0 DI (136 hp)	2002–2006

Vehicles Using This Injector

Mazda 6 (GG/GY) injector Mazda MPV II (LW) injector

Compatible Engines

The DCRI107850 injector is compatible with the following engines:

RF5C–2.0L RF7J–2.0L

Also known as

This injector 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.

Mazda 6 (GG/GY) 2.0L

Mazda MPV II (LW) 2.0L

Product Description

The DENSO DCRI107850 diesel injector is a remanufactured common-rail injector for 2.0L engines.

Remanufactured DENSO DCRI107850 (095000-5870 / 095000-7850 / 095000-8830, legacy 095000-5030) common-rail diesel injector for the Mazda 2.0 DI engine (OE RF5C13H50 / RF5C13H50A/B/C, RFY013H50 / RFY013H50A/B).

Fits Mazda 6 (GG saloon / GY estate) 2.0 DI 2002–2007 (RF5C / RF7J, 121–136 hp) and Mazda MPV II (LW) 2.0 DI 2002–2006.

Note: the 143 hp high-output RF7J (Mazda 5, Mazda 6 GH 2.0 MZR-CD) uses the different DCRI107860 / RF8G-13-H50 injector — not this unit.

Fully tested and calibrated to OEM specification with 12 months warranty..

Common engine code: RF5C.

Commonly replaced when investigating rough idle, injector knock, excess smoke or poor fuel economy.

Each injector is tested to OEM standards with a 12-month warranty and free UK delivery.

Workshop Information

Installation Notes

Check injection values after installation
Ensure system cleanliness before fitting
Use calibrated test equipment for verification
Check engine-specific torque values before installation

Recommended Injector Coding

No injector coding is required for the DENSO 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 Engines Using This Injector

RF5C RF7J

Common Symptoms of a Failed DCRI107850 Injector

Hard starting Rough idle Excessive smoke Poor fuel economy Engine misfires Loss of power under load

If your vehicle shows these symptoms, replacing the diesel injector 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.