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.
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.
Includes upgraded 2GR-FSE V6 high-pressure fuel pump to prevent injector carbon buildup.
Full teardown with updated piston rings & cylinder honing; ideal for 2GR-FSE oil consumption issues.
Verified head gasket repairs & cooling system refresh to counter common overheating in GRX121 units.
Direct-swap longblocks for GRX130 (2010-2019); minimal ECU reprogramming required.
Thorough DME diagnostics & VVT-i actuator replacement to resolve rough idle in high-mileage units.
JDM-sourced GRX120/130 units with ≤85,000 km, verified service history & no accident records.
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.
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.
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(2011-2019 X130 models) share casting flaw TS-2014-09; we install reinforced stainless EGR coolers (OEM 25520-0L040 superseded by 25520-0L041-83) to eliminate thermal fracture risks confirmed in Toyota Technical Campaign T/14/22.
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.
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.
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.
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).
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.
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.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
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.
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.
Engine families remained consistent across generations, with key revisions addressing known weaknesses:
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.
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.
Every engine undergoes compression and leak-down testing per Toyota ISTA standards for the entire Mark X series - never sold “as-is” without verification.
Our in-stock reconditioned Mark X engines include series-wide critical upgrades:
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.
All rebuilt Mark X engines include a comprehensive 12-month, unlimited-mileage warranty covering internal components.
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.
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.