SC 430 4.3L V8 Engines
from £2,800 to £4,800
Rebuilt units from £4,200 · Common codes: 3UZ-FE
Lexus ENGINE MARKETPLACE
Lexus SC 430 Engine Replacement - Compare Quotes from UK Specialists
Get quotes from trusted UK Lexus SC 430 engine specialists. Compare reconditioned and rebuilt prices for 3UZ-FE - 4.3L V8 covered. Get specialist quotes for your SC 430.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
SC 430 Long Block Engines
from £3,500 to £5,200
Rebuilt units from £4,200 · Common codes: 3UZ-FE
SC 430 Remanufactured V8 Engines
from £4,500 to £6,500
Rebuilt units from £4,800 · Common codes: 3UZ-FE
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 Lexus SC 430 Replacement Engineto Finding the Best Lexus SC 430 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 Lexus SC 430 Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Lexus SC 430 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.”
PPeteFacebook
★★★★★
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
SSophieTrustpilot
★★★★★
“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
Lexus SC 430 Engine ReplacementAll Variants Covered
Lexus SC 430 2001
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Lexus SC 430 2002
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Lexus SC 430 2003
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Lexus SC 430 2004
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Lexus SC 430 2005
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Lexus SC 430 2006
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Lexus SC 430 2007
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Lexus SC 430 2008
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Lexus SC 430 2009
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Lexus SC 430 2010
3UZ-FE 4.3L Petrol
Rebuilt Engines: £4,200-£4,800
Not sure which variant your Lexus SC 430 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
SC 430
Engine Codes
Lexus SC 430 Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Lexus SC 430 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 Lexus SC 430 variants.
3UZ-FE - 4.3L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
SC 430SC 430 ConvertibleSC 430 Grand TouringSC 430 Sport
Avg. rebuilt price
£4,200 - £4,800
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 4.3L
- Power output
- 290-305 hp
- Years fitted
- 2001-2010
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 Lexus SC 430 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
SC 430
Common Problems
Lexus SC 430 Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Lexus SC 430's 3UZ-FE V8 is robust but timing belt neglect and VVT-i wear drive most replacement enquiries. Every rebuilt engine supplied through EngineMarket includes upgraded timing components and VVT-i actuators designed to address original failure points - plus a minimum 12-month unlimited mileage warranty.
Timing Belt Failure - Why SC 430 Engines Seize Catastrophically
Timing Belt Failure
Most affected vehicles
Lexus SC 430 (2001-20103UZ-FE)
Lexus SC 430 (2001-2010, 3UZ-FE)
Failure mileage range
60k-100k miles or 6 years if belt not replaced
Typical failure window
Root cause
Rubber timing belt degrades with age and heat; if it snaps, pistons strike valves causing bent valves and head damage.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Preventative Belt Replacement - Before failure | £1,200 - £1,800 | £800 - £1,200 | Replace timing belt, tensioner, water pump, seals | Prevents catastrophic failure; recommended every 6 years |
| Full Replacement - Rebuilt Engine - After belt snap | £6,500 - £9,000 | £4,200 - £5,500 | Supply & fit rebuilt 3UZ-FE with new timing components | Restores reliability; includes 12-month warranty |
Our recommendation
If your SC 430 has over 60k miles or the belt history is unknown, budget for preventative replacement. If the belt has already snapped, a rebuilt engine is often more cost-effective than repairing bent valves and damaged heads.
Compare rebuilt 3UZ-FE engine prices for your Lexus SC 430Replacement Engine Options
Lexus SC 430 Engine TypesOptions, Costs & What to Expect
Every 3UZ-FE engine type is available through our UK network with typical price ranges based on variant, condition and budget.
Lexus SC 430 Reconditioned Engines (Recon)£4,000 - £4,600((supply only))
Lexus SC 430 Rebuilt Engines£4,200 - £4,800((supply only))
Lexus SC 430 Used Engines£2,600 - £3,400((supply only))
Lexus SC 430 Remanufactured Engines£4,600 - £5,400((supply only))
Lexus SC 430 Refurbished Engines£3,200 - £4,000((supply only))
Compare Lexus SC 430 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 Lexus SC 430 within hours.
Engine Sizes
Lexus SC 430 Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Lexus SC 430 is listed below, with compatible engine codes, production years and common failure notes for accurate replacement sourcing.
The 4.3L 3UZ-FE V8 powered every UK-market SC 430 from 2001-2010, offering smooth refinement and grand touring capability. Pre-2005 models used drive-by-cable throttle; 2005+ facelift models adopted drive-by-wire with revised ECU mapping.
⚙
Engine Code(s)
3UZ-FE
▣
Compatible Models (UK)
SC 430 (UZZ40) 2001-2005, SC 430 Facelift (UZZ40) 2005-2010
ϟ
Power output
Verified by registration
△
Common Failure Points
Timing belt wear at 100k km, VVT-i actuator rattle, coil pack degradation
Production Years: Check by registration
Compare Lexus SC 430 4.3L petrol engine pricesFuel Type
Lexus SC 430 Engines by Fuel Type
Choose your Lexus SC 430 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early 2001 models to the final 2010 edition.
Lexus SC 430 Petrol Engines
PetrolEvery UK-market SC 430 was powered exclusively by the 4.3L 3UZ-FE petrol V8, a refined unit now sought for quality rebuilt replacements.
Common Lexus SC 430 Petrol Engine Families
- •3UZ-FE - sole engine for all SC 430 variants, timing belt critical maintenance item
Found In
- •SC 430 (UZZ40) (2001-2005) - drive-by-cable throttle, 290hp
- •SC 430 Facelift (UZZ40) (2005-2010) - drive-by-wire throttle, 300-305hp
Known For
- •Exceptional smoothness and refinement for grand touring
- •Timing belt failure risk if not replaced every 6 years/100k km
- •VVT-i actuator rattle common on high-mileage examples
Typical Petrol Models
- •SC 430
- •SC 430 Convertible
- •SC 430 Grand Touring
Lexus SC 430 Petrol Engines
PetrolEvery UK-market SC 430 was powered exclusively by the 4.3L 3UZ-FE petrol V8, a refined unit now sought for quality rebuilt replacements.
Common Lexus SC 430 Petrol Engine Families
- •3UZ-FE - sole engine for all SC 430 variants, timing belt critical maintenance item
Found In
- •SC 430 (UZZ40) (2001-2005) - drive-by-cable throttle, 290hp
- •SC 430 Facelift (UZZ40) (2005-2010) - drive-by-wire throttle, 300-305hp
Known For
- •Exceptional smoothness and refinement for grand touring
- •Timing belt failure risk if not replaced every 6 years/100k km
- •VVT-i actuator rattle common on high-mileage examples
Typical Petrol Models
- •SC 430
- •SC 430 Convertible
- •SC 430 Grand Touring
Not sure which fuel type your Lexus SC 430 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 Lexus SC 430 specialists.
Engine YearsGet quotes for 2001-2004 Lexus SC 430 replacement engines →
Lexus SC 430 Engines by YearWhat Was Fitted & WhenLexus SC 430 Engines by Year - What Was Fitted & When
This section covers all major engine changes across the SC 430's 2001-2010 production timeline, organised so owners can quickly identify their 3UZ-FE engine and compare rebuilt prices from UK specialists.
⚙Key Changes
- ✓Introduction of 3UZ-FE aluminium V8 replacing older 1UZ designs
- ✓Drive-by-cable throttle body with mechanical linkage
- ✓Standard VVT-i on both intake and exhaust camshafts
▣Main Engines
3UZ-FE- 4.3L petrol (SC 430 all trims)
▰Popular Models
- •Lexus SC 430
- •Lexus SC 430 Convertible
- •Lexus SC 430 Grand Touring
🔧Known For
- ✓Smooth, refined power delivery ideal for grand touring
- ✓Timing belt requires replacement every 6 years regardless of mileage
- ✓Early VVT-i actuators prone to rattle after 80k miles
- ✓Coil packs on cylinders 1, 4, 5, 8 commonly fail first
Engine Codes Covered:
3UZ-FENot sure which year your Lexus SC 430 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 Lexus SC 430 specialists.
FAQ