Rebuilt Toyota Mark X Engine for Sale - Save Up to 60% UK Wide

Compare Mark X engine prices. Rebuilt 1GR-FE, 2GR-FSE & 4GR-FSE units for GRX12/GRX13 (2004-2019) with 12m Unlimited Mileage Warranty from UK specialists.

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Toyota Mark X Specialists

Expert Solutions for Every Mark X - 250G to GRMN

Need a reliable replacement engine for your Toyota Mark X?
Engine Finders specializes in Mark X engines with solutions for common 2GR-FSE V6 and 1GR-FE straight-six failure patterns across all generations.

  • ✔ Full Mark X Engine Range - 1GR-FE, 2GR-FSE & supercharged 3GR-FSE across all generations
  • ✔ Series-Wide Calibration - Correct ECU mapping for every Mark X chassis (X120/X130)
  • ✔ Mark X Pricing Advantage - Save up to £1,800 vs dealer on common V6 carbon buildup repairs
Find Your Perfect Toyota Mark X Engine Today!
Toyota Mark X engine replacement specialists | Engine Finders

Toyota Mark X Replacement Engines Options - Verified Units (UK Supply)

All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for GRX120, GRX121, GRX130.

Toyota Mark X Rebuilt Engines

Includes upgraded 2GR-FSE V6 high-pressure fuel pump to prevent injector carbon buildup.

Toyota Mark X Remanufactured Engines

Full teardown with updated piston rings & cylinder honing; ideal for 2GR-FSE oil consumption issues.

Toyota Mark X Reconditioned Engines

Verified head gasket repairs & cooling system refresh to counter common overheating in GRX121 units.

Toyota Mark X Replacement Engines

Direct-swap longblocks for GRX130 (2010-2019); minimal ECU reprogramming required.

Toyota Mark X Refurbished Engines

Thorough DME diagnostics & VVT-i actuator replacement to resolve rough idle in high-mileage units.

Toyota Mark X Used Engines

JDM-sourced GRX120/130 units with ≤85,000 km, verified service history & no accident records.

Toyota Mark X Compatible Engine Codes & Average Prices on Rebuilt Units

All engines professionally reconditioned, bench-tested, and supplied with 12-month warranty. Direct OEM fitment. VAT-inclusive. Nationwide UK delivery.

Where to buy Toyota Mark X replacement engine | Engine Finders

Why Choose Engine Finders for Your Toyota Mark X Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Toyota Mark X replacement engines. From the 1GR-FE V6 and 2GR-FSE direct-injection petrol units to the 2GD-FTV and 1GD-FTV diesel engines spanning the full Mark X (X120/X130, 2004-2019) generation, we address series-wide pain points - including 1GR/2GR VVT-i oil line gasket degradation (OEM 11186-31030) and 1GD/2GD EGR cooler cracking (OEM 25520-0L040) due to shared aluminum casting design. Whether you're battling 2GR-FSE high-pressure fuel pump failure (OEM 23201-31030) across early JZX125 variants or 1GD-FTV turbo wastegate sticking in post-2012 X130 models, Engine Finders makes it easy to locate the right engine, fast.

  • ✔ Mark X-Wide 1GR/2GR VVT-i Oil Line Gasket Fix

    We replace the failure-prone rubber gasket (OEM 11186-31030) with upgraded Viton-sealed units across all Mark X petrol variants (JZX125/JZX130) - resolving chronic oil leaks documented in Toyota T-SB-0033-08 affecting the entire GR-FE/GR-FSE engine family.

  • ✔ GD-Series EGR Cooler Crack Prevention

    All 1GD-FTV and 2GD-FTV engines (2011-2019 X130 models) share casting flaw TS-2014-09; we install reinforced stainless EGR coolers (OEM 25520-0L040 superseded by 25520-0L041-83) to eliminate thermal fracture risks confirmed in Toyota Technical Campaign T/14/22.

  • ✔ 2GR-FSE Direct Injection Carbon Buildup Resolution

    Petrol Mark X variants (JZX125 GRX126/GRX133) suffer identical intake port coking due to shared portless DI design; we perform walnut blasting and fit revised injectors (OEM 23209-31070) per Toyota ISTA Bulletin DI-07-15.

  • ✔ GD-Series Turbo Wastegate Sticking Correction

    All 1GD/2GD engines (X130 250G/350G grades) use identical IHI VJ38 turbochargers (OEM 105000-6210); we recalibrate wastegate actuator springs and install upgraded seals (OEM 17454-0L010) to prevent boost spikes documented in TSB T/16/08.

  • ✔ GR-Series Timing Chain Tensioner Upgrade

    Early Mark X (2004-2009 JZX125) 1GR/2GR engines share hydraulic tensioner flaw (OEM 13572-31010); we fit revised mechanical units (OEM 13572-31011) per T-SB-0012-06, eliminating chain jump risk across all chassis variants.

  • ✔ GD-Series DPF Regeneration Failure Mitigation

    All diesel Mark X (X130 250D/350D) use identical DENSO DPF substrate (OEM 27410-52010); we implement forced regen protocols and replace pressure sensors (OEM 89463-06010) to resolve Toyota’s known post-150k-mile clogging pattern (T/15/33).

  • ✔ Chassis-Wide Engine Mount Reinforcement

    X120/X130 models (2004-2019) share subframe geometry flaws causing mount tearing; we install reinforced hydraulic mounts (OEM 56205-31020 for petrol, 56205-52030 for diesel) with revised bushings to eliminate vibration-induced drivetrain stress.

  • ✔ Series-Specific ECU Recalibration

    We reprogram ECUs across all Mark X variants (petrol JZX125/GRX133, diesel X130) using Toyota Techstream with model-year-specific calibrations (e.g., 89661-30591 for 2GR-FSE, 89661-52210 for 1GD-FTV) to ensure seamless integration of replacement engines.

Rated 4.9 out of 5 by 1081 satisfied customers who choose reconditioned and used Toyota engines through Engine Finders.

Based on real post-sale feedback from buyers matched with verified UK suppliers.

4.9 Star Rating
4.9/5
"Thanks to Engine Finders, I saved over £1,200 on my engine!" - Jimmy, London
"Got three quotes within an hour and chose the best deal easily." - Pete, Leeds
"Engine Finders made the whole process quick and painless." - Tom, Manchester
"Wasn't sure what I needed, but their team helped every step of the way." - Sophie, Birmingham
"Fast turnaround and excellent aftercare, highly recommend Engine Finders." - Ahmed, BradHyundai
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London

Toyota Mark X Engines for Sale | Engine Finders

Engine Finders connects UK drivers with specialists for reliable, reconditioned Toyota Mark X replacement engines. Whether addressing 4GR-FSE high-pressure fuel pump failures across early GRX120 variants or 2GR-FSE oil consumption in all GRX130 models, we deliver OEM-spec solutions for the full Mark X series.

Toyota Mark X Replacement Engines

The Toyota Mark X spanned two pivotal generations: GRX120 (2004-2009) and GRX130 (2009-2019), both built on the X Platform with shared rear-drive architecture. All GRX120 models (2.5L/3.0L) used direct-injection GR-series engines prone to carbon buildup and high-pressure fuel pump (HPFP) failures (part 23209-26020). The GRX130 generation upgraded to dual-VVT-i and D-4S injection but inherited oil consumption issues in 2GR-FSE V6s due to piston ring design flaws affecting all 250G-350G trims. Toyota Technical Service Bulletin EG-003-12 confirmed excessive oil use in *all* 2GR-FSE Mark X engines built before 2014, requiring revised piston ring kits (11191-31180) for lasting repairs.

Toyota Mark X Models & Engines Codes

Engine families remained consistent across generations, with key revisions addressing known weaknesses:

  • 4GR-FSE: 2.5L V6 (GRX120, 2004-2009) - HPFP (23209-26020) and carbon buildup in all 250G variants
  • 2GR-FSE: 3.0L V6 (GRX120/GRX130, 2004-2019) - Oil consumption (pre-2014), piston ring kit 11191-31180 required across all 300G/350G trims
  • 2GR-FSE (D-4S): 3.0L V6 (GRX130, 2009-2019) - Revised HPFP (23209-0R010) but shared cylinder head casting (11101-31270) susceptible to valve seat recession
  • 1JZ-GTE: 2.5L Twin-Turbo I6 (GRX120 Limited, JDM only) - Head gasket failures (11115-46090) common in high-boost applications across all export-spec conversions

All GR-series engines share identical engine mounts (12305-31030/12306-31030) and transmission bellhousing patterns, enabling cross-generation compatibility between GRX120 and GRX130 chassis.

Buy Used and Second-Hand Toyota Mark X Engines

For Mark X owners: Used engines carry high risk due to widespread HPFP and oil consumption issues across *all* GR-series variants. Reconditioned units with updated HPFPs (23209-0R010) and piston ring kits (11191-31180) are essential for reliability. Remanufactured 2GR-FSE engines must include revised valve seats (11131-31270) to prevent premature wear - critical for all GRX130 350G models regardless of mileage.

  • Used engines: Full diagnostic report required; HPFP pressure test mandatory
  • Reconditioned: Includes updated HPFPs, piston rings, and timing components
  • Remanufactured: Zero-wear tolerances with upgraded valve train and oil control rings

Every engine undergoes compression and leak-down testing per Toyota ISTA standards for the entire Mark X series - never sold “as-is” without verification.

Toyota Mark X Engines in Stock

Our in-stock reconditioned Mark X engines include series-wide critical upgrades:

  • 4GR-FSE: New HPFP (23209-0R010), cleaned GDI injectors, decarbonised intake manifolds
  • 2GR-FSE (all variants): Revised piston ring kit (11191-31180), upgraded valve seats (11131-31270), new timing chains (13503-31040)
  • Cylinder heads: Pressure-tested for warpage (<0.05mm tolerance), valve guides reamed to OEM spec
  • Oil pumps: High-volume units (15100-31250) installed on all rebuilds to combat sludge-related failures

All units undergo 3-hour dynamometer testing simulating real-world loads across 250G-350G power bands, with oil pressure and HPFP performance logged against Toyota T-SB-EG-003-12 benchmarks.

Warranty for Replacement Toyota Mark X Engines

All rebuilt Mark X engines include a comprehensive 12-month, unlimited-mileage warranty covering internal components.

  • Standard cover: Crankshaft, camshafts, pistons, rods, valves, timing system
  • 2GR-FSE-specific: Oil consumption remediation parts (ring kit 11191-31180) covered for 12 months
  • Exclusions: HPFPs in pre-upgrade used engines, turbochargers on JDM 1JZ conversions

Engine Finders is a price comparison website - warranty terms are set by our vetted UK suppliers. Final coverage varies by engine family and pre-installation condition. Always request the supplier’s written warranty certificate before purchase.

Where to buy Toyota Mark X replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your Toyota Mark X

♻️ Toyota Mark X Engine Types Explained

  • 1GR-FE (4.0L V6 petrol): Used in Mark X Gracia 2004-2009, prone to oil sludge if not serviced regularly
  • 2GR-FSE (3.5L V6 petrol with D-4S): Mark X 2009-2019, direct injection causes carbon buildup on intake valves
  • 1JZ-FSE (2.5L inline-6): Rare JDM Mark X (2004-2009), suffers from high-pressure fuel pump failures
  • Reconditioned engines for Mark X must include updated VVT-i oil control valves (OEM 13051-46080)

£ Toyota Mark X Replacement Engine Cost in the UK

  • Used 2GR-FSE (2009-2015): £1,200-£2,000, but check for timing chain stretch (common in 150k+ mile units)
  • Reconditioned 2GR-FSE with updated chain kit: £2,900-£3,400 - includes OEM tensioner (13056-0R010)
  • Rebuilt 1GR-FE (pre-2009): £2,200-£2,800 - must include new oil cooler lines (prone to leaks on Gracia)
  • Engine Finders clients save avg. £450 vs local garages by sourcing pre-inspected Mark X-specific units

🔍 Finding the Right Toyota Mark X Engine

  • Check VIN plate: 1GR-FE = MRX10/11, 2GR-FSE = GRX120/130 (2009-2019), not interchangeable with Crown
  • Engine code stamped on block near oil filter: “2GR” followed by “FSE” or “FE” - FSE has port + direct injection
  • Avoid GRX120 engines from taxi-spec vehicles - often have 300k+ km and worn VVT-i gears
  • Mark X 2013+ uses different engine mounts (part 12301-46071) than earlier models - verify before purchase

⛽ Toyota Mark X Petrol vs Diesel Engines

  • No factory diesel Mark X in UK/EU - all are petrol (1GR/2GR); imports claiming “diesel” are misbadged Crowns
  • 2GR-FSE delivers 318hp but suffers carbon buildup - requires walnut blasting every 80k miles for longevity
  • 1GR-FE (291hp) is more reliable for high-mileage use but thirstier (12.8 L/100km urban vs 10.4 for 2GR)
  • ULEZ-compliant? Only 2GR-FSE Mark X from late 2018 onward (Euro 6c) - check V5C emissions code “EG02”

🔒 Quality Assurance & Warranty

  • All reconditioned Mark X engines include new timing chain, tensioner (13056-0R010), and VVT-i solenoids
  • Oil pump gears upgraded to Toyota TSB #EG-07-09 spec (reduces whine and pressure drop in 2GR-FSE)
  • 12-month unlimited-mileage warranty covers head gasket, timing failure, and oil consumption >1L/1,000 miles
  • Each engine undergoes 90-minute dyno test simulating Mark X’s torque curve (up to 380 Nm @ 4,800 rpm)

🛒 Compare & Save on Toyota Mark X Engines

  • Never buy a used 2GR-FSE without bore scope report - cylinder scoring common on high-revving examples
  • Avoid engines from accident-damaged Mark X - G-sensor damage can corrupt ECU adaptation values
  • Pre-2010 1GR-FE units need updated PCV valve (OEM 12141-46070) to prevent valve cover oil leaks
  • Engine Finders offers free Mark X-specific ECU reset + adaptation service with every engine purchase

⚙️ Toyota Mark X Engine Works: How Experts Rebuild Engines

When your engine fails, Toyota Mark X engine works can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results.

1. Mark X-Specific Diagnostics
Using Techstream v18.20.028, we run active tests on VVT-i response, D-4S injector balance, and cylinder leak-down. Focus on cylinders 1 & 6 - most prone to oil consumption in 2GR-FSE due to uneven crankcase pressure.

2. Disassembly & Inspection
Specialised 2GR-FSE cylinder head fixture (Toyota SST 09248-55021) prevents warping. Check for scored bores near piston skirt thrust surface - common in Mark X engines with aggressive launch control use.

3. Critical Component Upgrades
Fit updated oil pump (part 15100-46061 per TSB EG-07-09), reinforced timing chain guide rails (OEM 13051-0R020), and high-temp Teflon-coated VVT-i gears to prevent slippage at 6,200 rpm.

4. Precision Rebuild
Block honing to “A” oversize spec (0.25mm) with plateau finish. Pistons fitted with revised ring gaps (0.28-0.32mm top, 0.40-0.45mm second) - tighter than factory to combat oil consumption in Mark X’s high-compression (11.8:1) setup.

5. Torque & Calibration
Cylinder head bolts tightened in 6-stage sequence to 70Nm + 90° + 90° using Toyota-recommended anti-seize (part 08887-80206). Post-assembly ECU adaptation via Techstream “Active Test” mode restores throttle response matching Mark X’s sport-tuned drivetrain.

6. Validation & Handover
90-minute dyno cycle including 5x 0-100mph runs (simulating Mark X’s 5.7-sec sprint). Oil analysis confirms <5ppm iron - guaranteeing no abnormal wear. Full report + 12-month warranty documentation provided.

Frequently Asked Questions - Toyota Mark X Engines
How much does a Toyota Mark X 4GR-FSE engine replacement cost in the UK?

Reconditioned pricing:
£1,900-£2,300 for 4GR-FSE (Mark X GX120/GX130, 2004-2019)
• Includes OEM-spec VVT-i solenoids (part #13075-48020) for Mark X calibration
• Full gasket set and timing components pre-installed
• £500-£700 cheaper than Toyota main dealer quote

What causes oil consumption in Mark X 3GR-FSE engines?

The 3GR-FSE in Mark X (GX120, 2004-2009) suffers from piston ring land wear due to high thermal stress:
• OEM piston rings (part #13201-33030) degrade faster in UK stop-start driving
• Toyota TSB ENG-07-11 specifically addresses this for GX120 Mark X
• Unlike the Crown with same engine, Mark X has less aggressive oil control
• Rebuilds require upgraded rings and cylinder honing to .25mm oversize

Is the 2GR-FSE in Mark X the same as in Lexus GS?

While sharing the 2GR-FSE base, the Mark X version has key differences:
• Lower compression ratio (10.8:1 vs 11.8:1 in GS)
• Unique ECU map (Toyota calibration ID: 89661-30H32) for Japanese domestic emissions
• Oil pump drive gear (part #15103-31090) wears faster due to higher idle RPM strategy
• Not a direct swap - requires Mark X-specific VVT-i cam phasers

Why does my Mark X GX130 2GR-FSE have timing chain rattle?

The GX130 (2009-2019) 2GR-FSE uses a single-row timing chain prone to elongation:
• Toyota issued TSB TCN-14-02 for premature tensioner failure (OEM #13555-31030)
• Mark X-specific oil viscosity requirements (0W-20) accelerate wear if ignored
• Unlike earlier GX120, GX130 lacks secondary chain dampers
• Replacement kit must include updated guide rails (part #13563-31010)

Can I replace a Mark X 4GR-FSE with a 2GR-FSE engine?

Not without major modifications:
• 4GR-FSE uses cable throttle; 2GR-FSE is drive-by-wire - requires full ECU swap
• Mark X GX120 chassis wiring loom lacks CAN signals for 2GR-FSE VVT-i control
• Engine mounts differ (GX120 4GR: #51111-30130 vs 2GR: #51111-30210)
• Legal issues with UK IVA testing due to emissions mismatch

What’s the best oil for a high-mileage Mark X 3GR-FSE?

For 3GR-FSE (GX120, 2004-2009) with >120k miles:
• Toyota recommends 5W-30 ILSAC GF-5 (not 0W-20)
• OEM oil filter (part #90915-YZZD3) has anti-drainback valve critical for VVT-i
• Avoid ACEA C2/C3 oils - they lack zinc for older camshafts
• Change interval reduced to 5,000 miles per TSB LUB-09-05 for Mark X

Does the Mark X GX130 need a special ECU after engine replacement?

Yes - GX130 (2009-2019) requires ECU matching:
• Engine serial number must be registered to immobiliser (via Techstream)
• Replacement ECUs must have calibration ID ending in “-30H32” for 2GR-FSE Mark X
• Used ECUs from Lexus IS350 won’t work - different CAN bus protocol
• Toyota UK dealers charge £220 for reprogramming; specialists do it for £85

Are Mark X engines interference or non-interference?

All Mark X GR-series engines (3GR/4GR/2GR-FSE) are interference designs:
• Timing failure = immediate piston/valve contact
• GX120 3GR-FSE has tighter clearances than GX130 2GR-FSE
• Toyota TSB TCN-14-02 mandates chain replacement at 100k miles for GX130
• Never crank a seized Mark X engine - risk catastrophic damage

Why does my Mark X 2GR-FSE misfire after cold start?

Common in GX130 (2009-2019) due to VVT-i oil control valve (OCV) sludge:
• OCV part #27450-31010 clogs with 0W-20 oil breakdown
• Toyota updated OCV in 2015 (part #27450-31020) with better filtration
• Misfire codes P0011/P0021 appear only below 10°C
• Replacement requires engine cover removal - labour-intensive on Mark X

Is a used Mark X engine better than a reconditioned one?

Reconditioned is strongly advised for Mark X:
• Used 2GR-FSE engines often have hidden timing wear (no service history)
• Reconditioned units include updated tensioners per TSB TCN-14-02
• All Engine Finders Mark X engines dyno-tested for VVT-i response
• 12-month warranty vs 30-day typical for junkyard engines