Chevrolet Blazer 4.3L V6 Engines
from £595 to £1,850
Rebuilt units from £1,295 · Common codes: LU3, L35, LN2, LF6
Chevrolet ENGINE MARKETPLACE
Chevrolet Blazer Engine Replacement - Reconditioned & Used Prices Compared
Get quotes from trusted UK Chevrolet Blazer engine specialists. Compare reconditioned, rebuilt and used prices for 2.0L turbo to 3.6L V6 - LSY, LCV & LGX covered. Compare supply & fit options today.
Supply & Fit Available
12-Month Warranty
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100+ Suppliers
Chevrolet Blazer 5.7L V8 Engines
from £850 to £2,400
Rebuilt units from £1,650 · Common codes: L05, L31, TBI 350
Chevrolet Blazer Performance V6 Engines
from £950 to £2,100
Rebuilt units from £1,495 · Common codes: L35, LU3 (High Output), L30
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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 Chevrolet Blazer Replacement Engineto Finding the Best Chevrolet Blazer 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 Chevrolet Blazer Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Chevrolet Blazer engines through EngineMarket.
4.8
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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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“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
Chevrolet Blazer Engine ReplacementAll Variants Covered
Chevrolet Blazer LS 4.3L V6
LU3 4.3L Petrol
Rebuilt Engines: £1,295-£1,850
Chevrolet Blazer LT 4.3L V6
LU3/L35 4.3L Petrol
Rebuilt Engines: £1,495-£2,100
Chevrolet Blazer Base 4.3L V6
LU3/LN2 4.3L Petrol
Rebuilt Engines: £1,195-£1,650
Chevrolet Blazer ZR2 4.3L V6
LU3 4.3L Petrol
Rebuilt Engines: £1,395-£1,950
Chevrolet Blazer 4WD 4.3L V6
LU3 4.3L Petrol
Rebuilt Engines: £1,350-£1,900
Chevrolet Blazer 2WD 4.3L V6
LU3 4.3L Petrol
Rebuilt Engines: £1,250-£1,750
Chevrolet Blazer Automatic 4.3L V6
LU3 4.3L Petrol
Rebuilt Engines: £1,295-£1,850
Chevrolet Blazer Manual 4.3L V6
LU3 4.3L Petrol
Rebuilt Engines: £1,395-£1,950
Chevrolet Blazer 5.7L V8
L31 5.7L Petrol
Rebuilt Engines: £1,650-£2,400
Chevrolet Blazer 2-Door 4.3L V6
LU3 4.3L Petrol
Rebuilt Engines: £1,350-£1,900
Chevrolet Blazer 4-Door 4.3L V6
LU3 4.3L Petrol
Rebuilt Engines: £1,295-£1,850
Chevrolet Blazer High Output L35
L35 4.3L Petrol
Rebuilt Engines: £1,495-£2,100
Not sure which variant your Chevrolet Blazer is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Blazer
Engine Codes
Chevrolet Blazer Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Chevrolet Blazer across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Petrol Engines
Extracted from detailed petrol and performance engine families across Chevrolet Blazer variants.
LU3 - 4.3L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
LSLS 2-DoorLS 4-DoorLS 4WDLTLT 2-Door
Avg. rebuilt price
£1,295 - £1,850
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 4.3L
- Power output
- 180-190 hp
- Years fitted
- 4300 Family (1996-2002
Common failures
- ●Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
- ●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 Chevrolet Blazer engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Blazer
Common Problems
Chevrolet Blazer Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Chevrolet Blazer's 4.3L Vortec V6 dominates UK replacement enquiries, with fuel spider injectors, intake gaskets and timing chains the most common failure points. 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....
Fuel Spider Injector Failure - Why Chevrolet Blazer 4.3L V6 Engines Misfire
Fuel Spider Injector Failure
Most affected vehicles
Chevrolet Blazer LSLT
Chevrolet Blazer LS, LT, Base, ZR2 (1998-2002, LU3/LN2 4.3L V6)
Failure mileage range
80,000-120,000 miles
Typical failure window
Root cause
Central Port Injection (CPI) fuel pod develops internal leaks; fuel pressure drops cause lean misfires, rough idle and hard starting.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - CPI Injector Pod Replacement | £850 - £1,400 | £550 - £950 | Remove intake, replace fuel spider assembly, reset ECU | 20k-40k miles; only viable if engine otherwise healthy |
| Intermediate - Full Fuel System Overhaul | £1,200 - £2,100 | £750 - £1,450 | New injectors, fuel lines, pressure regulator, intake gaskets | 40k-70k miles; recommended if other fuel components show wear |
| Full Replacement - Rebuilt / Reconditioned Engine | £2,800 - £4,200 | £1,295 - £1,850 | Supply & fit rebuilt LU3 engine with upgraded CPI system, bench tested, 12-month warranty | 80k+ miles; best value if engine has other age-related wear |
Our recommendation
On a Blazer valued under £2,500, a full rebuilt engine often costs less than dealer labour for injector replacement. If the engine has under 90k miles and no other issues, the minor fix may suffice - but get quotes for both options first.
Compare rebuilt LU3 engine prices for your Chevrolet BlazerReplacement Engine Options
Chevrolet Blazer Engine TypesOptions, Costs & What to Expect
Every Chevrolet Blazer engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Chevrolet Blazer Reconditioned Engines (Recon)£1,195 - £1,750((supply only))
Chevrolet Blazer Rebuilt Engines£1,295 - £2,100((supply only))
Chevrolet Blazer Used Engines£595 - £1,250((supply only))
Chevrolet Blazer Remanufactured Engines£1,650 - £2,400((supply only))
Chevrolet Blazer Refurbished Engines£995 - £1,550((supply only))
Compare Chevrolet Blazer 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 Chevrolet Blazer within hours.
Engine Sizes
Chevrolet Blazer Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Chevrolet Blazer in the UK is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The 4.3L Vortec V6 powered nearly all UK Chevrolet Blazers from 1996-2002, serving as the reliable workhorse for LS, LT and ZR2 variants. Its central port injection system was advanced for its time but remains the most common failure point driving replacement enquiries today.
⚙
Engine Code(s)
LU3, L35, LN2, LF6, L30
▣
Compatible Models (UK)
LS (1998-2002), LT (1998-2002), Base (1996-2002), ZR2
ϟ
Power output
Verified by registration
△
Common Failure Points
Fuel spider injector leaks, intake manifold gasket failure, timing chain tensioner wear
Production Years: 1998-2002
Compare Chevrolet Blazer 4.3L petrol engine pricesFuel Type
Chevrolet Blazer Engines by Fuel Type
Choose your Chevrolet Blazer engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the ubiquitous 4.3L Vortec V6 to the classic 5.7L Small Block V8.
Chevrolet Blazer Petrol Engines
PetrolAll UK-market Chevrolet Blazers were petrol-powered, dominated by the 4.3L Vortec V6 (1996-2002) with niche demand for classic 5.7L V8 units in earlier imports.
Common Chevrolet Blazer Petrol Engine Families
- •LU3 - standard Vortec 4300 (LS/LT 1998-2002), fuel spider injector issues
- •L35 - high-output Vortec (ZR2/High Output), bearing wear on neglected units
- •L31 - classic 350 Small Block V8 (K5 1987-1994), oil pump and seal failures
Found In
- •S-10 Blazer Generation 2 (1998-2002) - LU3, L35, LN2
- •S-10 Blazer Generation 1 (1995-1997) - LN2, LF6
- •K5 Blazer (1987-1994) - L31, L05
Known For
- •Strong low-end torque ideal for off-road and towing use
- •Fuel spider injector failures drive most replacement enquiries
- •High-mileage units (120k+) prone to timing chain and bearing wear
Typical Petrol Models
- •Chevrolet Blazer LS 4.3L V6
- •Chevrolet Blazer LT 4.3L V6
- •Chevrolet Blazer ZR2 4.3L V6
Chevrolet Blazer Petrol Engines
PetrolAll UK-market Chevrolet Blazers were petrol-powered, dominated by the 4.3L Vortec V6 (1996-2002) with niche demand for classic 5.7L V8 units in earlier imports.
Common Chevrolet Blazer Petrol Engine Families
- •LU3 - standard Vortec 4300 (LS/LT 1998-2002), fuel spider injector issues
- •L35 - high-output Vortec (ZR2/High Output), bearing wear on neglected units
- •L31 - classic 350 Small Block V8 (K5 1987-1994), oil pump and seal failures
Found In
- •S-10 Blazer Generation 2 (1998-2002) - LU3, L35, LN2
- •S-10 Blazer Generation 1 (1995-1997) - LN2, LF6
- •K5 Blazer (1987-1994) - L31, L05
Known For
- •Strong low-end torque ideal for off-road and towing use
- •Fuel spider injector failures drive most replacement enquiries
- •High-mileage units (120k+) prone to timing chain and bearing wear
Typical Petrol Models
- •Chevrolet Blazer LS 4.3L V6
- •Chevrolet Blazer LT 4.3L V6
- •Chevrolet Blazer ZR2 4.3L V6
Not sure which fuel type your Chevrolet Blazer 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 Chevrolet Blazer specialists.
Engine YearsGet quotes for 1998-2002 Chevrolet Blazer replacement engines →
Chevrolet Blazer Engines by YearWhat Was Fitted & WhenChevrolet Blazer Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Chevrolet Blazer's UK production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
- ✓Introduction of Vortec 4300 LU3/L35 engines with Central Port Injection
- ✓OBD2 compliance standard across all UK-market units
- ✓LS and LT trim levels launched with 4.3L V6 as standard
- ✓ZR2 off-road variant added with reinforced drivetrain
▣Main Engines
LU3- 4.3L petrol (LS / LT / Base / ZR2)
L35- 4.3L High Output petrol (ZR2 / High Output trims)
LN2- 4.3L early CPI petrol (1998-1999 Base models)
▰Popular Models
- •Chevrolet Blazer LS 4.3L V6
- •Chevrolet Blazer LT 4.3L V6
- •Chevrolet Blazer ZR2 4.3L V6
- •Chevrolet Blazer Base 4.3L V6
🔧Known For
- ✓Fuel spider injector failures dominate replacement enquiries
- ✓Intake manifold gasket leaks common after 90k miles
- ✓Strong parts interchange with Astro/Safari vans simplifies sourcing
- ✓High search volume for "LU3 engine replacement UK" queries
Engine Codes Covered:
LU3L35LN2LF6Not sure which year your Chevrolet Blazer 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 Chevrolet Blazer specialists.
FAQ