Is the Delphi 28580673 compatible with the JCB 3CX / 4CX Backhoe Loader?

Yes. The Delphi 28580673 is a direct replacement diesel injector for the JCB 3CX / 4CX Backhoe Loader 4.8 EcoMAX and the other listed applications. Always confirm fitment by engine code or vehicle registration before ordering.

Does the Delphi 28580673 require injector coding?

No injector coding is required for the Delphi 28580673 on most applications. Always follow the manufacturer's fitting procedure.

Is the 28580673 supplied tested?

Yes. Every Delphi 28580673 is OEM bench-tested and calibrated to manufacturer tolerances before dispatch.

Is a warranty included with the 28580673?

Yes. The Delphi 28580673 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 Delphi 28580673. The price shown is the full price — nothing further to pay or return.

What vehicles use the 28580673 injector?

The 28580673 injector is compatible with JCB 3CX / 4CX BACKHOE LOADER, JCB LOADALL TELEHANDLER (531 / 535 / 541), JCB JS-SERIES EXCAVATOR and other diesel vehicles. Check the compatible vehicles section above for the full list.

What engines use the 28580673 injector?

The 28580673 injector is used in JCB448 engine codes.

What are symptoms of a failing 28580673 injector?

Common symptoms of a failing 28580673 injector include hard starting, rough idle, excessive black or white smoke, engine misfires, poor fuel economy, and loss of power under load. A professional leak-off test can confirm whether the injector needs replacing.

How much does it cost to replace the 28580673 injector?

A remanufactured Delphi 28580673 injector typically costs between £120 and £120. Labour costs vary by vehicle but usually add £100–£250 per injector. All our remanufactured injectors come with a 12-month warranty.

Remanufactured Delphi 28580673 JCB 448 EcoMAX common-rail diesel injector with box — JCB OE 320/A6648

Zoom1 / 4In Stock

Need Help Confirming Fitment?

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

Engine Code or Cross Reference

Delphi 28580673 Diesel Injector

DELPHI

Part No: 28580673

·Trade & Garage Friendly

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The Delphi 28580673 diesel injector is a remanufactured common-rail injector for 4.8L EcoMAX CR engines. Remanufactured Delphi 28580673 common-rail diesel injector for the JCB 448 (4.8-litre EcoMAX) engine — direct replacement for JCB OE 320/A6648 (also listed as 320A6648 / 320-A6648) and cross-reference 1684BS15F81.

£120inc. VAT

(per injector)

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.

1 Compatible Engine Code

3 OE References

1 Delphi Reference

JCB 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

Diesel Engine

Common symptoms

Fitment note: Always confirm compatibility using registration lookup or part number before ordering.

Why this injector?

Fits the JCB448 engine code used in the JCB 3CX / 4CX Backhoe Loader and related diesel variants.
Delphi 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 JCB448 engines.
12-month warranty, free UK delivery and no core exchange required.

Explore this range

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Compatible alternates from Delphi.

320/A6648

£120 inc. VAT

320A6648

£120 inc. VAT

1684BS15F81

£120 inc. VAT

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 Delphi Injector

Compatible with JCB engines including JCB448.

Make	Model	Engine	Years
JCB	3CX / 4CX Backhoe Loader	4.8 EcoMAX Common Rail (JCB 448)	2013–2023
JCB	Loadall Telehandler (531 / 535 / 541)	4.8 EcoMAX Common Rail (JCB 448)	2013–2023
JCB	JS-Series Excavator	4.8 EcoMAX Common Rail (JCB 448)	2013–2023

Vehicles Using This Injector

JCB 3CX / 4CX Backhoe Loader injector JCB Loadall Telehandler (531 / 535 / 541) injector JCB JS-Series Excavator injector

Compatible Engines

The 28580673 injector is compatible with the following engines:

JCB448–4.8L EcoMAX CR

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.

JCB 3CX / 4CX Backhoe Loader 4.8 EcoMAX

JCB JS-Series Excavator 4.8 EcoMAX

JCB Loadall Telehandler (531 / 535 / 541) 4.8 EcoMAX

Product Description

The Delphi 28580673 diesel injector is a remanufactured common-rail injector for 4.8L EcoMAX CR engines.

Remanufactured Delphi 28580673 common-rail diesel injector for the JCB 448 (4.8-litre EcoMAX) engine — direct replacement for JCB OE 320/A6648 (also listed as 320A6648 / 320-A6648) and cross-reference 1684BS15F81.

Fits JCB 3CX and 4CX backhoe loaders, Loadall telehandlers and JS-series excavators powered by the JCB 448 EcoMAX unit.

OEM-tested and calibrated with full flow and leak-back verification on CR318 PRO test bench.

Includes 12-month unlimited-mileage warranty.

Supplied as an exchange unit — return your old injector within 21 days..

Common engine code: JCB448.

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 injector coding after installation
Ensure fuel system is properly primed
Use calibrated test equipment for verification
Check engine-specific torque values before installation

Recommended Injector Coding

No injector coding is required for the Delphi 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

JCB448

Common Symptoms of a Failed 28580673 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.

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.

IMA code includedProfessional injector coding may be required after installationUK-based support teamNo core exchange required

28580673 Price Statistics

Average Price

£120.00

inc. VAT

Price Range

£120–£120

inc. VAT

Stock

0/0

In Stock

Prices based on 0 listing for the 28580673 injector. All prices include VAT.

Compatible Vehicles for 28580673

28580673 is OE-fit on the vehicles below. Always confirm the engine code on your V5C and the OE marking on the failed unit before ordering — sister part numbers in this family can look identical but carry a different calibration map.

JCB 3CX / 4CX BACKHOE LOADER JCB LOADALL TELEHANDLER (531 / 535 / 541)JCB JS-SERIES EXCAVATOR