3.0L & 5.2L Diesel Engines
from £2,500 to £5,500
Rebuilt units from £2,500 · Common codes: 4JZ1-TC, 4HK1-TC, 4HK1-TCS
ISUZU ENGINE MARKETPLACE
Isuzu Grafter Engine Replacement - Compare Prices & Save
Get quotes today from trusted UK Isuzu Grafter engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available nationwide.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
1.9L Diesel Engines
from £2,000 to £4,000
Rebuilt units from £2,000 · Common codes: RZ4E-TC
Legacy 3.0L Diesel Engines
from £1,800 to £3,500
Rebuilt units from £1,800 · Common codes: 4JJ1-TC, 4JJ1-TCS
Instant engine replacement quote - 100% free, no obligation
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 Grafter Replacement Engineto Finding the Best Isuzu Grafter 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 Grafter Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Isuzu Grafter engines through EngineMarket.
4.8
★★★★★
out of 5
1,081 verified reviews
★★★★★
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
JJimmyGoogle
★★★★★
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
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“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
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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 Grafter Engine ReplacementAll Variants Covered
Isuzu Grafter 3.5t N35.125
RZ4E-TC 1.9L Diesel
Rebuilt Engines: £2,000-£3,500
Isuzu Grafter 3.5t N35.150
4JZ1-TC 3.0L Diesel
Rebuilt Engines: £2,500-£4,000
Isuzu Grafter 5.2t N55
4JZ1-TC 3.0L Diesel
Rebuilt Engines: £2,500-£4,000
Isuzu Grafter 6.5t N65
4HK1-TC 5.2L Diesel
Rebuilt Engines: £3,500-£5,500
Isuzu Grafter 7.5t N75
4HK1-TC 5.2L Diesel
Rebuilt Engines: £3,500-£5,500
Isuzu Grafter Chassis Cab
4JZ1-TC/4HK1-TC 5.2L Diesel
Rebuilt Engines: £2,500-£5,500
Isuzu Grafter Tipper
4HK1-TC 5.2L Diesel
Rebuilt Engines: £3,500-£5,500
Isuzu Grafter Box Van
RZ4E-TC/4JZ1-TC 3.0L Diesel
Rebuilt Engines: £2,000-£4,000
Isuzu Grafter MK1
4JJ1-TC 3.0L Diesel
Rebuilt Engines: £1,800-£3,500
Isuzu Grafter MK1 Chassis Cab
4JJ1-TC 3.0L Diesel
Rebuilt Engines: £1,800-£3,500
Not sure which variant your Isuzu Grafter is- Enter your registration number above - we’ll identify the exact sub-model, engine code and compatible replacement options instantly.
Grafter
Engine Codes
Isuzu Grafter Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Isuzu Grafter 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 Grafter variants.
4JZ1-TC - 3.0L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
3.5t N35.1253.5t N35.1505.2t N55
Avg. rebuilt price
£2,500 - £4,000
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 3.0L
- Power output
- 125-150 hp
- Years fitted
- Check by registration
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 Grafter engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Grafter
Common Problems
Isuzu Grafter Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Isuzu Grafter’s robust diesel engines are built for commercial endurance, but high-mileage workloads can lead to specific failures. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a minimum 12-month unlimited mileage warranty.
Isuzu Grafter DPF Clogged Engine Replacement - Why Urban Routes Cause Damage
Isuzu Grafter DPF Clogged Engine Replacement
Most affected vehicles
Isuzu Grafter 3.5t5.2t
Isuzu Grafter 3.5t, 5.2t, 6.5t, 7.5t (2016-present, 4JZ1-TC, 4HK1-TC)
Failure mileage range
80,000 - 120,000 miles
Typical failure window
Root cause
Severe DPF blockage causes excessive exhaust backpressure, leading to piston ring glazing and eventual catastrophic engine failure.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - DPF Clean/Replace | £1,200 - £2,000 | £800 - £1,500 | Forced regeneration, chemical clean, or new DPF unit installation. | Viable only if caught early before internal engine damage occurs. |
| Full Replacement - Rebuilt Engine | £5,000 - £6,500 | £3,500 - £5,000 | Supply and fit a fully rebuilt engine with an upgraded DPF system. | The only reliable long-term solution if the block is already glazed or damaged. |
Our recommendation
On an Isuzu Grafter, a severely clogged DPF is a silent killer. If the engine is already showing signs of power loss or oil dilution, a full rebuilt engine replacement is the most cost-effective path to restore commercial reliability.
Compare rebuilt 4JZ1-TC engine prices for your Isuzu GrafterReplacement Engine Options
Isuzu Grafter Engine TypesOptions, Costs & What to Expect
Every engine type is available through our UK network with typical price ranges based on your Grafter variant, engine code and budget.
Isuzu Grafter Reconditioned Engines (Recon)£3,000 - £4,500((supply only))
Isuzu Grafter Rebuilt Engines£2,500 - £3,500((supply only))
Isuzu Grafter Used Engines£1,500 - £2,500((supply only))
Isuzu Grafter Remanufactured Engines£4,500 - £6,000((supply only))
Isuzu Grafter Refurbished Engines£2,000 - £3,000((supply only))
Compare Isuzu Grafter 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 Grafter within hours.
Engine Sizes
Isuzu Grafter Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Isuzu Grafter is listed below, complete with compatible engine codes, production years, and common failure notes to help you identify the correct replacement.
The efficient heart of the N35.125, offering excellent fuel economy for urban and regional delivery operations.
⚙
Engine Code(s)
RZ4E-TC
▣
Compatible Models (UK)
3.5t N35.125
ϟ
Power output
Verified by registration
△
Common Failure Points
Cold-start ECM relay issues, injector failure on high-mileage units.
Production Years: 2016-present
Get quotes for Isuzu Grafter 1.9L diesel enginesIsuzu Grafter Engines Fuel Type
Isuzu Grafter Engines by Fuel Type
Choose your Isuzu Grafter engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early MK1 models to the latest Euro 6 variants.
Isuzu Grafter Diesel Engines
DieselThe Isuzu Grafter is exclusively powered by robust, commercial-grade diesel engines, making it the sole focus for replacement enquiries in the UK.
Common Isuzu Grafter Diesel Engine Families
- •RZ4E-TC - Efficient 1.9L urban delivery engine for the 3.5t N35.125.
- •4JZ1-TC - Versatile 3.0L Euro 6 workhorse for 3.5t and 5.2t payloads.
- •4HK1-TC - Heavy-duty 5.2L engine for 6.5t, 7.5t, and tipper configurations.
Found In
- •MK1 (2008-2015) and MK2 (2016-present) across 3.5t to 7.5t payloads.
Known For
- •Exceptional payload protection and HGV-spec durability.
- •Prone to DPF clogging and EGR issues on short-journey urban routes.
- •High UK replacement demand as these commercial workhorses age.
Typical Diesel Models
- •Isuzu Grafter 3.5t N35.125 / N35.150
- •Isuzu Grafter 5.2t N55
- •Isuzu Grafter 6.5t N65 / 7.5t N75
Isuzu Grafter Diesel Engines
DieselThe Isuzu Grafter is exclusively powered by robust, commercial-grade diesel engines, making it the sole focus for replacement enquiries in the UK.
Common Isuzu Grafter Diesel Engine Families
- •RZ4E-TC - Efficient 1.9L urban delivery engine for the 3.5t N35.125.
- •4JZ1-TC - Versatile 3.0L Euro 6 workhorse for 3.5t and 5.2t payloads.
- •4HK1-TC - Heavy-duty 5.2L engine for 6.5t, 7.5t, and tipper configurations.
Found In
- •MK1 (2008-2015) and MK2 (2016-present) across 3.5t to 7.5t payloads.
Known For
- •Exceptional payload protection and HGV-spec durability.
- •Prone to DPF clogging and EGR issues on short-journey urban routes.
- •High UK replacement demand as these commercial workhorses age.
Typical Diesel Models
- •Isuzu Grafter 3.5t N35.125 / N35.150
- •Isuzu Grafter 5.2t N55
- •Isuzu Grafter 6.5t N65 / 7.5t N75
Not sure which fuel type your Isuzu Grafter 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 Grafter specialists.
Engine YearsGet quotes for 2008-2015 Isuzu Grafter replacement engines →
Isuzu Grafter Engines by YearWhat Was Fitted & WhenIsuzu Grafter Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Isuzu Grafter's production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
- ✓Introduction of the 3.0L 4JJ1-TC engine to the UK market.
- ✓Availability in 3.5t, 5.2t, and chassis cab configurations.
- ✓Pre-Euro 6 emissions systems with simpler mechanical layouts.
▣Main Engines
4JJ1-TC- 3.0L diesel (3.5t, 5.2t, Chassis Cab)
▰Popular Models
- •Isuzu Grafter MK1 3.5t
- •Isuzu Grafter MK1 5.2t
- •Isuzu Grafter MK1 Chassis Cab
🔧Known For
- ✓Legendary reliability and simple mechanical design.
- ✓Prone to injector failure and head gasket issues under sustained heavy loads.
- ✓High UK replacement demand as these commercial workhorses reach high mileage.
Engine Codes Covered:
4JJ1-TCNot sure which year your Isuzu Grafter 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 Grafter specialists.
FAQ