RX-8 192bhp Engines
from £1,899 to £3,319
Rebuilt units from £1,899 · Common codes: 13B-MSP (4-port), 13B-MSP (6-port)
Mazda ENGINE MARKETPLACE
Mazda RX- 8 Engine Replacement - Rebuilt & Performance Options Available
Get quotes from trusted UK Mazda RX-8 engine specialists. Compare rebuilt and performance reconditioned prices for 13B-MSP - Renesis rotary covered. Find UK performance engine specialists.
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12-Month Warranty
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RX-8 231bhp Engines
from £2,379 to £3,319
Rebuilt units from £2,379 · Common codes: 13B-MSP (6-port), 13B-MSP Renesis
RX-8 Performance Rotary Engines
from £3,319 to £5,500
Rebuilt units from £3,319 · Common codes: 13B-MSP BP, 13B-MSP SP
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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 Mazda RX-8 Replacement Engineto Finding the Best Mazda RX-8 Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
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↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Mazda RX-8 Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Mazda RX-8 engines through EngineMarket.
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Variants We Cover
Mazda RX-8 Engine ReplacementAll Variants Covered
Mazda RX-8 192
13B-MSP 1.3L Petrol
Rebuilt Engines: £1,899-£2,379
Mazda RX-8 231
13B-MSP 1.3L Petrol
Rebuilt Engines: £2,379-£3,319
Mazda RX-8 Series 1
13B-MSP 1.3L Petrol
Rebuilt Engines: £1,899-£3,319
Mazda RX-8 Series 2
13B-MSP 1.3L Petrol
Rebuilt Engines: £2,379-£3,319
Mazda RX-8 R3
13B-MSP 1.3L Petrol
Rebuilt Engines: £2,379-£3,319
Mazda RX-8 PZ
13B-MSP 1.3L Petrol
Rebuilt Engines: £2,800-£3,500
Mazda RX-8 Nemesis
13B-MSP 1.3L Petrol
Rebuilt Engines: £2,800-£3,500
Mazda RX-8 Bridge Port
13B-MSP BP 1.3L Petrol
Rebuilt Engines: £3,319-£5,500
Mazda RX-8 Manual
13B-MSP 1.3L Petrol
Rebuilt Engines: £1,899-£3,319
Mazda RX-8 Automatic
13B-MSP 1.3L Petrol
Rebuilt Engines: £1,899-£3,319
Mazda RX-8 Street Port
13B-MSP SP 1.3L Petrol
Rebuilt Engines: £2,500-£4,000
Mazda RX-8 Half Bridge
13B-MSP HB 1.3L Petrol
Rebuilt Engines: £3,000-£4,800
Not sure which variant your Mazda RX-8 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
RX-8
Engine Codes
Mazda RX-8 Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Mazda RX-8 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 Mazda RX-8 variants.
13B-MSP (4-port) - 1.3L Petrol Rotary
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
RX-8 192RX-8 StandardRX-8 SERX-8 Sport
Avg. rebuilt price
£1,899 - £2,379
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 1.3L
- Power output
- 189-192 hp
- Years fitted
- 2003-2012
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 Mazda RX-8 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
RX-8
Common Problems
Mazda RX-8 Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Mazda RX-8's 13B-MSP Renesis rotary engine is unique in the automotive world, bringing distinctive failure modes that differ fundamentally from piston engines. Low compression, flooding, and apex seal wear dominate replacement enquiries. Every rebuilt engine supplied through EngineMarket includes upgraded apex seals, new side seals, and precision...
Low Compression Failure - Why Mazda RX-8 Rotary Engines Lose Power
Low Compression Failure
Most affected vehicles
Mazda RX-8 192231
Mazda RX-8 192, 231, Series 1, Series 2, R3 (2003-2012, 13B-MSP 4-port & 6-port)
Failure mileage range
60,000-100,000 miles
Typical failure window
Root cause
Apex seals wear over time, reducing compression in rotor chambers; hot start difficulty is the classic early symptom as seals fail to maintain sealing pressure when engine is warm.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Diagnostic Compression Test - Identify which rotors are affected | £150 - £250 | £75 - £150 | Dry/wet compression test on all three rotor chambers; leak-down test if needed | Identifies severity; essential before committing to rebuild |
| Minor - Coil Pack/Spark Plug Replacement - Address misfire symptoms | £400 - £800 | £200 - £450 | Replace all three coil packs and spark plugs; clear codes and test | May temporarily improve running if coils were masking compression loss; not a fix for seal wear |
| Full Replacement - Rebuilt / Reconditioned Rotary Engine | £4,500 - £7,500 | £1,899 - £3,319 | Complete rotary rebuild with new apex seals, side seals, bearings; bench tested; 12-month warranty | Restores factory compression; upgraded components address original failure point; 50k+ mile expectation with proper maintenance |
Our recommendation
On a Mazda RX-8 worth £3,000-£8,000, a compression test is essential first step. If readings are below 6.9 kgf/cm² on any rotor, preventative rebuild offers better long-term value than repeated coil/spark plug replacements. We recommend sourcing a specialist-rebuilt 13B-MSP unit with upgraded apex seals rather than attempting partial repairs.
Compare rebuilt 13B-MSP rotary engine prices for your Mazda RX-8Replacement Engine Options
Mazda RX-8 Engine TypesOptions, Costs & What to Expect
Every Mazda RX-8 engine type is available through our UK network with typical price ranges based on variant, 13B-MSP engine code and budget.
Mazda RX-8 Reconditioned Engines (Recon)£1,899 - £2,800((supply only))
Mazda RX-8 Rebuilt Engines£2,379 - £3,319((supply only))
Mazda RX-8 Used Engines£800 - £1,800((supply only))
Mazda RX-8 Remanufactured Engines£3,000 - £4,500((supply only))
Mazda RX-8 Refurbished Engines£1,200 - £2,200((supply only))
Compare Mazda RX-8 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 Mazda RX-8 within hours.
Engine Sizes
Mazda RX-8 Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Mazda RX-8 is listed below, with compatible 13B-MSP engine codes, production years and common rotary-specific failure notes.
The Mazda RX-8 was exclusively powered by the 1.3-litre 13B-MSP Renesis twin-rotor rotary engine across all UK generations (2003-2012). This unique powerplant delivered either 192bhp via 4-port intake configuration or 231-241bhp via 6-port configuration, with no diesel, hybrid or alternative fuel options ever offered.
⚙
Engine Code(s)
13B-MSP (4-port), 13B-MSP (6-port), 13B-MSP Renesis
▣
Compatible Models (UK)
RX-8 192 (2003-2008), RX-8 231 (2003-2012), RX-8 Series 2/R3 (2009-2012), RX-8 PZ/Nemesis
ϟ
Power output
Verified by registration
△
Common Failure Points
Apex seal wear causing low compression, hot start difficulty; flooding in cold weather; coil pack failure mimicking compression loss
Production Years: 2010-2012
Compare Mazda RX-8 1.3L petrol engine pricesFuel Type
Mazda RX-8 Engines by Fuel Type
Choose your Mazda RX-8 engine by fuel type to compare realistic replacement prices, known rotary-specific issues, and compatible UK supply options - from the 192bhp 4-port to the 241bhp 6-port Renesis.
Mazda RX-8 Petrol Engines
PetrolThe Mazda RX-8 was exclusively petrol-powered throughout its UK production life (2003-2012), using only the 1.3L 13B-MSP Renesis twin-rotor rotary engine in 4-port or 6-port configurations.
Common Mazda RX-8 Petrol Engine Families
- •13B-MSP (4-port) - entry-level 192bhp configuration; most common in Series 1 replacement enquiries due to higher failure rates
- •13B-MSP (6-port) - high-output 231-241bhp configuration; enthusiast favourite with dedicated rebuild specialist network
- •13B-MSP Renesis (Bridge Port) - performance-modified variant; requires specialist rebuild expertise for reliability
Found In
- •RX-8 Series 1 (2003-2008) - 4-port 192bhp and 6-port 231bhp options
- •RX-8 Series 2/R3 (2009-2012) - 6-port 231-241bhp only
- •RX-8 Special Editions (PZ, Nemesis, Kuro) - 6-port 231bhp with cosmetic/performance enhancements
Known For
- •Unique rotary character with high-revving power delivery and compact packaging
- •Low compression failure as primary failure mode; hot start difficulty is classic early symptom
- •Flooding issues in cold weather or after failed start attempts; requires specific clearing procedure
Typical Petrol Models
- •RX-8 192
- •RX-8 231
- •RX-8 Series 1
Mazda RX-8 Petrol Engines
PetrolThe Mazda RX-8 was exclusively petrol-powered throughout its UK production life (2003-2012), using only the 1.3L 13B-MSP Renesis twin-rotor rotary engine in 4-port or 6-port configurations.
Common Mazda RX-8 Petrol Engine Families
- •13B-MSP (4-port) - entry-level 192bhp configuration; most common in Series 1 replacement enquiries due to higher failure rates
- •13B-MSP (6-port) - high-output 231-241bhp configuration; enthusiast favourite with dedicated rebuild specialist network
- •13B-MSP Renesis (Bridge Port) - performance-modified variant; requires specialist rebuild expertise for reliability
Found In
- •RX-8 Series 1 (2003-2008) - 4-port 192bhp and 6-port 231bhp options
- •RX-8 Series 2/R3 (2009-2012) - 6-port 231-241bhp only
- •RX-8 Special Editions (PZ, Nemesis, Kuro) - 6-port 231bhp with cosmetic/performance enhancements
Known For
- •Unique rotary character with high-revving power delivery and compact packaging
- •Low compression failure as primary failure mode; hot start difficulty is classic early symptom
- •Flooding issues in cold weather or after failed start attempts; requires specific clearing procedure
Typical Petrol Models
- •RX-8 192
- •RX-8 231
- •RX-8 Series 1
Not sure which fuel type your Mazda RX-8 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 Mazda RX-8 specialists.
Engine YearsGet quotes for 2003-2008 Mazda RX-8 replacement engines →
Mazda RX-8 Engines by YearWhat Was Fitted & WhenMazda RX-8 Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Mazda RX-8's UK production timeline (2003-2012), organised so owners can quickly identify their 13B-MSP Renesis rotary engine and compare rebuilt engine prices from rotary specialists.
⚙Key Changes
- ✓Introduction of Renesis (RE-NEwable Generation Engine System) twin-rotor rotary design
- ✓Side exhaust ports relocated to reduce emissions and improve fuel economy
- ✓4-port (192bhp) and 6-port (231bhp) intake configurations available
▣Main Engines
13B-MSP(4-port) - 1.3L petrol rotary (RX-8 192)
13B-MSP(6-port) - 1.3L petrol rotary (RX-8 231)
▰Popular Models
- •Mazda RX-8 192
- •Mazda RX-8 231
- •Mazda RX-8 Sport
- •Mazda RX-8 SE
🔧Known For
- ✓Enthusiast acclaim for rotary character and handling balance
- ✓Higher failure rates on early-production 13B-MSP units; apex seal wear common after 60k miles
- ✓Flooding issues in cold climates; specific starting procedure required
- ✓Strong aftermarket support for performance modifications (bridge port, street port)
Engine Codes Covered:
13B-MSP (4-port)13B-MSP (6-port)Not sure which year your Mazda RX-8 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 Mazda RX-8 specialists.
FAQ