DeVille Northstar V8 Engines
from £1,800 to £6,500
Rebuilt units from £3,000 · Common codes: LD8, L37, L26, LH2
Cadillac ENGINE MARKETPLACE
Cadillac Deville Engine Replacement - Compare Quotes from UK Specialists
Get quotes from trusted UK Cadillac Deville engine specialists. Compare reconditioned and rebuilt prices for LW2, L26, and Northstar V8 - 4.5L to 4.9L V8 covered. Get specialist quotes for your Deville.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
DeVille 4.9L V8 Engines
from £2,500 to £4,200
Rebuilt units from £2,800 · Common codes: L47, HT-4100, 4.9L V8
DeVille Classic V8 Engines
from £4,500 to £8,500
Rebuilt units from £5,500 · Common codes: 425, L33, L35
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 Cadillac DeVille Replacement Engineto Finding the Best Cadillac DeVille 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
No entries match that model filter yet.
↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Cadillac DeVille Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Cadillac DeVille 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.”
JJimmyGoogle
Variants We Cover
Cadillac DeVille Engine ReplacementAll Variants Covered
Cadillac DeVille Base
LD8 4.6L Petrol
Rebuilt Engines: £3,000-£4,200
Cadillac DeVille d'Elegance
LD8 4.6L Petrol
Rebuilt Engines: £3,000-£4,200
Cadillac DeVille DHS
L26 4.6L Petrol
Rebuilt Engines: £3,500-£4,800
Cadillac DeVille Concours
L37 4.6L Petrol
Rebuilt Engines: £3,200-£4,500
Cadillac DeVille DTS
LH2 4.6L Petrol
Rebuilt Engines: £3,800-£5,200
Cadillac DeVille DTS Performance
LH2 4.6L Petrol
Rebuilt Engines: £3,800-£5,200
Cadillac DeVille DTS Platinum
LH2 4.6L Petrol
Rebuilt Engines: £4,000-£5,500
Cadillac DeVille 4.9L V8
L47 4.9L Petrol
Rebuilt Engines: £2,800-£3,800
Cadillac DeVille HT-4100
HT-4100 4.1L Petrol
Rebuilt Engines: £2,500-£3,500
Cadillac DeVille 425ci V8
425 7.0L 7.0L Petrol
Rebuilt Engines: £5,500-£7,500
Cadillac Coupe DeVille
LD8/L37 4.6L Petrol
Rebuilt Engines: £3,000-£4,500
Cadillac Sedan DeVille
LD8/L37 4.6L Petrol
Rebuilt Engines: £3,000-£4,800
Not sure which variant your Cadillac DeVille is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
DeVille
Engine Codes
Cadillac DeVille Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Cadillac DeVille 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 Cadillac DeVille variants.
LD8 - 4.6L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
Based'EleganceDHSDTS Luxury
Avg. rebuilt price
£3,000 - £4,200
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 4.6L
- Power output
- 275 hp
- Years fitted
- 1993-2011
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 Cadillac DeVille engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
DeVille
Common Problems
Cadillac DeVille Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Cadillac DeVille's Northstar V8 (LD8/L37) dominates UK replacement enquiries, with head gasket failure and coolant leaks the primary concerns. Earlier 4.9L and HT-4100 units face composite block and injection issues. Every rebuilt engine supplied through EngineMarket includes upgraded head bolt thread inserts and cooling system components designed to...
Cadillac DeVille Northstar Head Gasket Failure - Why LD8/L37 Engines Fail Prematurely
Cadillac DeVille Northstar Head Gasket Failure
Most affected vehicles
Cadillac DeVille Based'Elegance
Cadillac DeVille Base, d'Elegance, DHS, Concours, DTS (1994-2005, LD8 & L37)
Failure mileage range
80,000-120,000 miles
Typical failure window
Root cause
Aluminium block head bolt threads fatigue under thermal cycling, allowing cylinder pressure to lift the head and rupture the gasket seal.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Thread Repair - Time-Sert installation before failure | £2,200 - £3,500 | £1,400 - £2,200 | Remove cylinder heads, install steel thread inserts in block, fit MLS gaskets | Preventative only; viable if caught before coolant loss or overheating occurs |
| Full Replacement - Rebuilt Northstar Engine - Supply & fit with upgraded components | £6,500 - £9,500 | £4,200 - £6,800 | Drop-in rebuilt engine with thread inserts, MLS gaskets, updated cooling components | Permanent solution; 12-month warranty; restores reliability for high-mileage DeVille |
Our recommendation
On a DeVille worth £3,000-£8,000, preventative thread repair offers better value if caught early with no overheating damage. Once coolant has mixed with oil or the engine has overheated, full replacement with a rebuilt unit featuring upgraded thread inserts is the only reliable long-term solution.
Compare rebuilt LD8/L37 engine prices for your Cadillac DeVilleReplacement Engine Options
Cadillac DeVille Engine TypesOptions, Costs & What to Expect
Every engine type for your Cadillac DeVille is available through our UK network with typical price ranges based on variant, Northstar code and budget.
Cadillac DeVille Reconditioned Engines (Recon)£3,200 - £5,800((supply only))
Cadillac DeVille Rebuilt Engines£3,800 - £6,500((supply only))
Cadillac DeVille Used Engines£1,800 - £3,500((supply only))
Cadillac DeVille Remanufactured Engines£4,500 - £7,200((supply only))
Cadillac DeVille Refurbished Engines£3,500 - £5,500((supply only))
Compare Cadillac DeVille 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 Cadillac DeVille within hours.
Engine Sizes
Cadillac DeVille Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Cadillac DeVille is listed below, with compatible engine codes, production years and common failure notes to help you identify your unit.
The 4.1L HT-4100 powered early DeVille models (1985-1993), featuring an aluminium-iron composite block design that pioneered transverse FWD luxury but suffered from casting porosity issues requiring specialist rebuild attention.
⚙
Engine Code(s)
HT-4100
▣
Compatible Models (UK)
Base, Fleetwood, Coupe DeVille, Sedan DeVille
ϟ
Power output
Verified by registration
△
Common Failure Points
Composite block porosity causing coolant mixing, TBI injection faults, timing chain stretch
Production Years: 1985-1993
Get quotes for Cadillac DeVille 4.1L petrol enginesFuel Type
Cadillac DeVille Engines by Fuel Type
Choose your Cadillac DeVille engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early HT-4100 to the final Northstar V8.
Cadillac DeVille Petrol Engines
PetrolEvery Cadillac DeVille was petrol-powered, with the 4.6L Northstar V8 (LD8/L37) dominating UK replacement enquiries due to head gasket and cooling system concerns across 1994-2005 models.
Common Cadillac DeVille Petrol Engine Families
- •LD8 - torque-tuned Northstar for Base/d'Elegance/DHS, 275hp, head bolt thread concerns
- •L37 - high-output Northstar for Concours/DTS, 300hp, same block architecture as LD8
- •L26/LH2 - Series III Northstar with VVT, 2000-2005 models, improved threading but VVT wear
Found In
- •Fifth Generation (1985-1993) - HT-4100, 4.9L V8
- •Sixth/Seventh Generation (1994-1999) - LD8, L37 Northstar
- •Eighth Generation (2000-2005) - L26, LH2 Northstar with VVT
Known For
- •Northstar head bolt thread failure between 80k-120k miles requiring thread insert repair
- •Coolant crossover pipe leaks leading to overheating if not addressed preventatively
- •Strong motorway cruising ability with refined NVH when properly maintained
Typical Petrol Models
- •DeVille Base
- •DeVille d'Elegance
- •DeVille DHS
Cadillac DeVille Petrol Engines
PetrolEvery Cadillac DeVille was petrol-powered, with the 4.6L Northstar V8 (LD8/L37) dominating UK replacement enquiries due to head gasket and cooling system concerns across 1994-2005 models.
Common Cadillac DeVille Petrol Engine Families
- •LD8 - torque-tuned Northstar for Base/d'Elegance/DHS, 275hp, head bolt thread concerns
- •L37 - high-output Northstar for Concours/DTS, 300hp, same block architecture as LD8
- •L26/LH2 - Series III Northstar with VVT, 2000-2005 models, improved threading but VVT wear
Found In
- •Fifth Generation (1985-1993) - HT-4100, 4.9L V8
- •Sixth/Seventh Generation (1994-1999) - LD8, L37 Northstar
- •Eighth Generation (2000-2005) - L26, LH2 Northstar with VVT
Known For
- •Northstar head bolt thread failure between 80k-120k miles requiring thread insert repair
- •Coolant crossover pipe leaks leading to overheating if not addressed preventatively
- •Strong motorway cruising ability with refined NVH when properly maintained
Typical Petrol Models
- •DeVille Base
- •DeVille d'Elegance
- •DeVille DHS
Not sure which fuel type your Cadillac DeVille 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 Cadillac DeVille specialists.
Engine Years →
Cadillac DeVille Engines by YearWhat Was Fitted & WhenCadillac DeVille Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Cadillac DeVille's production timeline (1959-2005), organised so owners can quickly identify their engine and compare rebuilt prices from UK specialists.
⚙Key Changes
- ✓Introduction of transverse front-wheel drive architecture for DeVille platform
- ✓HT-4100 aluminium-iron composite block V8 with TBI fuel injection
▣Main Engines
▰Popular Models
🔧Known For
Engine Codes Covered:
Not sure which year your Cadillac DeVille 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 Cadillac DeVille specialists.
FAQ