Isuzu N-Series 5.2L Diesel Engines- from £2,800 to £5,500
Rebuilt units from £2,800 · Common codes: 4HK1-TC, 4HK1-TCN, 4HK1-TCS, 4HK1-TCX
Isuzu ENGINE MARKETPLACE
Isuzu N- Series Engine Replacement- Compare Prices& Save
Get quotes today from trusted UK Isuzu N-Series engine specialists. Compare prices on reconditioned, rebuilt and used engines- supply& fit available nationwide.
Supply& Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Isuzu N-Series 3.0L Diesel Engines- from £2,200 to £4,200
Rebuilt units from £2,200 · Common codes: 4JJ1-TC, 4JJ1-TCX, 4JJ1-TCR
Isuzu N-Series 7.8L Heavy Duty Engines- from £3,500 to £6,500
Rebuilt units from £3,500 · Common codes: 6HK1-TC, 6HK1-TCN
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Engine replacement near me - UK-wide specialist network
Compare reconditioned, rebuilt & used engine prices
Supply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best Isuzu N-Series Replacement Engineto Finding the Best Isuzu N-Series Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
Live UK Engine Market Data
Average Market Prices
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↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Isuzu N-Series Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Isuzu N-Series engines through EngineMarket.
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“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
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Variants We Cover
Isuzu N-Series Engine Replacement- All Variants Covered
Isuzu N-Series 3.5t
4JJ1 3.0L Diesel
Rebuilt Engines: £2,200-£4,200
Isuzu N-Series 7.5t
4HK1 5.2L Diesel
Rebuilt Engines: £2,800-£5,500
Isuzu N-Series 12t
6HK1 7.8L Diesel
Rebuilt Engines: £3,500-£6,500
Isuzu N-Series Tipper
4HK1/4JJ1 Diesel
Rebuilt Engines: £2,200-£5,500
Isuzu N-Series Dropside
4HK1/4JJ1 Diesel
Rebuilt Engines: £2,200-£5,500
Isuzu N-Series Box Van
4JJ1/4HK1 Diesel
Rebuilt Engines: £2,200-£5,500
Isuzu N-Series Refrigerated
4HK1/4JJ1 Diesel
Rebuilt Engines: £2,200-£5,500
Isuzu N-Series Curtainsider
4HK1/6HK1 Diesel
Rebuilt Engines: £2,800-£6,500
Not sure which variant your Isuzu N-Series is- Enter your registration number above- we’ll identify the exact sub-model, engine code and compatible replacement options instantly.
N-Series
Engine Codes
Isuzu N-Series Engine CodesFull Technical Specifications& Replacement Guide
Every engine code fitted to the Isuzu N-Series across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select an engine code to compare quotes.
Diesel Engines
Extracted from detailed diesel engine families across Isuzu N-Series variants.
4HK1 - 5.2L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
NPRNQRTipperDropsideBox Van
Avg. rebuilt price
£2,800 - £5,500
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 5.2L
- Power output
- 150-190 hp
- Years fitted
- 2007-2024
Common failures
- ●Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
Not sure which engine code?
Can’t find your engine code- Enter your registration number above - we’ll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Isuzu N-Series engine specialists. Every rebuilt engine comes with a minimum 12‐month unlimited mileage warranty.
N-Series
Common Problems
Isuzu N-Series Engine Problems- What It Costs to Fix& When Replacement Makes Sense
The Isuzu N-Series reliability is heavily defined by its diesel powertrains, particularly the 4HK1 and 4JJ1 engines. While robust, they are susceptible to specific wear patterns like DPF clogging and injector failure. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point- plus...
Isuzu N-Series DPF Failure- Why Engines Fail Prematurely
Isuzu N-Series DPF Failure- Why Engines Fail Prematurely
Most affected vehicles
Isuzu N-Series NPRNQR
Isuzu N-Series NPR, NQR, NMR(2007-2024, 4HK1/4JJ1)
Failure mileage range
80,000- 120,000 miles
Typical failure window
Root cause
Chronic DPF clogging from urban driving leads to excessive backpressure, causing turbo failure or catastrophic engine damage.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor- DPF Cleaning/ Replacement | £800- £1,200 | £500- £800 | Remove and chemically clean or replace the DPF unit. | Viable only if the turbo and engine internals are undamaged. |
| Full Replacement- Rebuilt/ Reconditioned Engine | £4,500- £6,500 | £2,800- £4,200 | Supply and fit of a rebuilt unit with cleared DPF maps and upgraded turbos. | The only viable option if backpressure has damaged bearings or the turbo. |
Our recommendation
If your N-Series is used primarily for short urban trips, DPF failure is inevitable. If the turbo has already failed due to backpressure, a full engine replacement is safer than risking new turbo debris entering the block.
Compare rebuilt 4HK1 engine prices for your Isuzu N-SeriesReplacement Engine Options
Isuzu N-Series Engine Types- Options, Costs& What to Expect
Every engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Isuzu N-Series Reconditioned Engines(Recon)£2,800- £4,500((supply only))
Isuzu N-Series Rebuilt Engines£2,200- £3,800((supply only))
Isuzu N-Series Used Engines£1,200- £2,200((supply only))
Isuzu N-Series Remanufactured Engines£3,500- £5,500((supply only))
Isuzu N-Series Refurbished Engines£1,800- £2,800((supply only))
Compare Isuzu N-Series engine prices with vetted UK suppliers
All engine types include a minimum 12-month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above- enter your registration to get tailored quotes for your specific Isuzu N-Series within hours.
Engine Sizes
Isuzu N-Series Engines by Size- Find the Right Displacement for Your Variant
Every displacement fitted to the Isuzu N-Series is listed below, complete with compatible engine codes, production years, and common failure notes.
The 3.0L 4JJ1 engine is the backbone of the light-duty NMR and entry-level NPR range, offering optimal fuel efficiency for urban delivery operations.
⚙
Engine Code(s)
4JJ1-TC, 4JJ1-TCX
▣
Compatible Models (UK)
NMR 3.5t, NPR Light Duty
ϟ
Power output
Verified by registration
△
Common Failure Points
Injector leakage, timing chain wear at higher mileage.
Production Years: 2007-2024
Get quotes for Isuzu N-Series 3.0L diesel enginesFuel Type
Isuzu N-Series Engines by Fuel Type
Choose your Isuzu N-Series engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options- from early 2007 models to the latest 2024 production year.
Isuzu N-Series Diesel Engines
DieselThe Isuzu N-Series is exclusively powered by robust diesel engines in the UK, ranging from the efficient 3.0L to the heavy-duty 7.8L, making parts identification straightforward but maintenance critical.
Common Isuzu N-Series Diesel Engine Families
- •4JJ1- The 3.0L workhorse for 3.5t models, prone to injector issues but highly reliable.
- •4HK1- The 5.2L standard for 7.5t models, susceptible to DPF and EGR failures.
- •6HK1- The 7.8L heavy-duty unit for 12t+ models, built for torque and endurance.
Found In
- •Isuzu NMR/NPR(2007-2024)
- •Isuzu NQR/NRR(2007-2024)
Known For
- •Strong low-end torque ideal for commercial payloads.
- •DPF and EGR issues on short-journey urban routes.
- •High UK replacement demand due to commercial mileage accumulation.
Typical Diesel Models
- •Isuzu NMR 3.5t
- •Isuzu NPR 7.5t
- •Isuzu NRR 12t
Isuzu N-Series Diesel Engines
DieselThe Isuzu N-Series is exclusively powered by robust diesel engines in the UK, ranging from the efficient 3.0L to the heavy-duty 7.8L, making parts identification straightforward but maintenance critical.
Common Isuzu N-Series Diesel Engine Families
- •4JJ1- The 3.0L workhorse for 3.5t models, prone to injector issues but highly reliable.
- •4HK1- The 5.2L standard for 7.5t models, susceptible to DPF and EGR failures.
- •6HK1- The 7.8L heavy-duty unit for 12t+ models, built for torque and endurance.
Found In
- •Isuzu NMR/NPR(2007-2024)
- •Isuzu NQR/NRR(2007-2024)
Known For
- •Strong low-end torque ideal for commercial payloads.
- •DPF and EGR issues on short-journey urban routes.
- •High UK replacement demand due to commercial mileage accumulation.
Typical Diesel Models
- •Isuzu NMR 3.5t
- •Isuzu NPR 7.5t
- •Isuzu NRR 12t
Not sure which fuel type your Isuzu N-Series has- Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options- all backed by a minimum 12-month unlimited mileage warranty from UK Isuzu N-Series specialists.
Engine YearsGet quotes for 2007-2012 Isuzu N-Series replacement engines →
Isuzu N-Series Engines by Year- What Was Fitted& WhenIsuzu N-Series Engines by Year- What Was Fitted& When
This section covers all major engine changes across the Isuzu N-Series production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
▣Main Engines
▰Popular Models
- •Isuzu NMR 3.5t
- •Isuzu NPR 7.5t
- •Robust low-end torque ideal for off-road and site use.
- •Early DPF clogging issues on urban routes.
- •Requires specific attention to early sensor compatibility during replacement.
🔧Known For
Engine Codes Covered:
4JJ1-TC4HK1-TC4HK1-TCNNot sure which year your Isuzu N-Series was built- Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly- all backed by a minimum 12-month warranty from UK Isuzu N-Series specialists.
FAQ