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Bosch HRD358 Diesel Injector
BOSCHPart No: HRD358
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A direct replacement for 28332705, 33800-2A650 on Hyundai engines, the Bosch HRD358 common-rail diesel injector is remanufactured and bench-tested to the manufacturer's flow and spray tolerances. Tested on calibrated common-rail equipment and covered by a 12 months warranty.
(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.
Dispatch within 24h. Free UK delivery.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.
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
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
Hyundai / Kia 2.0 CRDi (D4EA — Tucson, Santa Fe, Sportage, Carens) D4EA
Common symptoms
- Hard starting or cranking without catching, especially cold
- Rough or unstable idle that improves at higher rpm
- Misfire, hesitation or surging under acceleration
- Black smoke under load, white/grey smoke on cold start
- Injector knock / ticking at idle
Documented failure modes
- Injector wear or internal leakage — documented as the main weak point of this otherwise robust Bosch common-rail system
- Nozzle wear from poor-quality diesel degrading the spray pattern
- External injector leakage allowing fuel smell or fuel dilution of the oil in advanced cases
Diagnostic guidance
- Run a return-flow (leak-off) test — severe internal leakage is the classic D4EA no-start cause
- Rule out rail-pressure regulator and sensor faults, which mimic injector failure on this engine
- Monitor the engine-oil level on suspected leaking injectors
- Clean injector bores and seats and fit new sealing washers on every refit
Fitment note: The D4EA ran across multiple model years and outputs with different Bosch references — match the reference etched on the injector body before ordering.
Why this injector?
- Fits the D4EA engine code used in the Hyundai I20 and related diesel variants.
- Bosch 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 D4EA engines.
- 12-month warranty, free UK delivery and no core exchange required.
Explore this range
Remanufacturing Process
See how our injectors are rebuilt step-by-step in our 3D remanufacturing process video.
Vehicles Compatible With This Bosch Injector
Compatible with Hyundai engines including D4EA, D4FB, D4FC, D4FD, D4FE and 3 more.
Vehicles Using This Injector
Compatible Engines
The HRD358 injector is compatible with the following engines:
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.
Product Description
A direct replacement for 28332705, 33800-2A650 on Hyundai engines, the Bosch HRD358 common-rail diesel injector is remanufactured and bench-tested to the manufacturer's flow and spray tolerances.
Tested on calibrated common-rail equipment and covered by a 12 months warranty.
Workshop Information
Installation Notes
- Professional injector coding may be required after installation
- Use calibrated test equipment for verification
- Check engine-specific torque values before installation
Recommended Injector Coding
No injector coding is required for the Bosch 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
Common Symptoms of a Failed HRD358 Injector
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.
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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Workshop 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.
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