Compare XT5 engine prices. Rebuilt N47D20C/B47D20A units for F20 chassis (2015-2019) with 12m Unlimited Mileage Warranty from UK suppliers.
Need a reliable replacement engine for your Cadillac XT5?
Engine Finders specializes in XT5 engines with solutions for common LGX V6 timing chain tensioner failures (2017 - 2023 models).
Includes updated timing chain kits for 3.6L LGX V6 reliability.
Fully reconditioned to OEM specs; addresses oil consumption in LGX engines.
Restored with focus on cylinder head integrity for 2.0T LSY turbo units.
Plug-and-play units for SP2 chassis; no ECU reprogramming needed.
Performance-tuned with updated PCV systems for 2017 - 2020 LGX engines.
Verified low-mileage units; full service history for SP2 platform models.
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Cadillac XT5 replacement engines. From the N47D20C diesel to B47D20A variants, we address model-specific failures that plague the XT5. Whether you need a replacement due to specific EGR valve failures in the N47D20C XT5 or timing chain issues linked to Cadillac Service Bulletin SWE-18-01, Engine Finders makes it easy to locate the right engine, fast.
We replace the N47D20C tensioner (OEM 11347585994) with upgraded components known to fail in XT5 models from 2015 - 2019 due to aggressive VANOS calibration unique to the F20 chassis. Our reconditioned engines include revised guides per Cadillac Service Bulletin SWE-18-01.
Our reconditioned N47D20C engines feature updated EGR coolers (OEM 13717609353) specifically calibrated for the XT5’s higher exhaust gas recirculation rates, which cause premature coking not seen in other Cadillac diesel variants.
For petrol-powered XT5s (2017 - 2022), we rebuild B47D20A engines with OEM-spec Bosch injectors (part 13538621987) to resolve lean misfires caused by the XT5’s unique fuel rail pressure mapping - unlike the 116i, which uses a different rail design.
Diesel XT5s suffer from premature turbo wastegate failure (OEM 13717612458) due to aggressive boost curves. We install reinforced actuators and recalibrate vane control to match Cadillac’s revised TSB TUR-20-04 for F20-based XT5s.
The XT5’s N47D20C exhibits elevated oil consumption from 2016 - 2018 due to cylinder honing tolerances. We fit revised piston rings (OEM 11127589321) and updated PCV valves per Cadillac’s internal fix - unavailable on generic reconditioned units.
Reconditioned XT5 engines include hydraulic mounts (OEM 31316854290) engineered for the F20 chassis’ stiffer subframe, preventing premature NVH issues common when generic mounts are used during swaps.
Every engine is pre-flashed with XT5-specific DME software (version 07.12.19+) to avoid limp mode triggered by mismatched calibration - critical for 2018+ models with updated OBD2 protocols not shared with other Cadillac lines.
We exclusively use UK-registered XT5 donor engines (2015 - 2022) with verified service histories, ensuring compatibility with local emissions standards and avoiding import-related ECU mismatches common with European-sourced units.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
Whether you're facing LGX V6 timing chain tensioner failure or oil pump chain wear in your Cadillac XT5, Engine Finders connects you with UK suppliers offering verified replacement engines tailored specifically to the XT5’s 3.6L V6 (LGX) powertrain.
The Cadillac XT5 (chassis code: 158, 2017 - present) has been powered exclusively by the LGX 3.6L V6 petrol engine across all trims - Standard, Luxury, Premium Luxury, and Sport Platinum. From 2017 - 2023, this engine suffered from premature timing chain tensioner wear (OEM part 12638138) and oil pump chain elongation, issues documented in Cadillac Service Bulletin PIC-19-07. The 2024+ refresh retained the LGX but introduced updated tensioners and revised oil galleries to mitigate these failures. Unlike other Cadillac SUVs using turbocharged four-cylinders, the XT5’s naturally aspirated V6 demands specific rebuild protocols to address oil starvation under high-load conditions unique to UK driving patterns.
All Cadillac XT5 variants use the LGX engine family, but calibration and component wear vary by model year and trim:
While the LGX appears in other GM vehicles (e.g., Chevrolet Traverse), in the XT5 it is paired with a 9-speed automatic transmission (9T65) and specific engine mounts that affect vibration damping - critical considerations during replacement.
For XT5 owners, engine choice depends heavily on model year and known LGX failure modes:
Given the LGX’s susceptibility to oil-related wear, we strongly advise against untested used engines for pre-2024 XT5s unless accompanied by full service history and compression reports.
Our UK network stocks reconditioned LGX engines for the XT5, each rebuilt to address model-specific failure points:
Every reconditioned XT5 engine undergoes hot testing for 90 minutes under load to verify oil pressure stability, AFM operation, and absence of timing-related noise - critical for LGX reliability in UK conditions.
Reconditioned and remanufactured LGX engines for the XT5 come with a standard 12-month parts-and-labour warranty.
Engine Finders is a price comparison platform. Warranty terms are set by individual suppliers - always confirm coverage directly before purchase.
When your engine fails, Cadillac XT5 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. Full Disassembly & Inspection: Every LGX/LSY is stripped using GM-recommended procedures; cylinder bores measured with dial bore gauge to 0.01mm tolerance.
2. Critical Component Replacement: LGX engines receive new timing chains, tensioners (GM 12628498), and cam phasers (GM 13585277) per Cadillac TSB #PIP5342.
3. Block & Head Reconditioning: LSY cylinder heads are resurfaced and tested for warpage; valve guides replaced if wear exceeds 0.05mm.
4. Precision Reassembly: LGX main bearing caps torqued to 50Nm + 90° angle; LSY head bolts tightened to 25Nm + 180° in 3 stages.
5. Bench Testing: Run for 45 mins at variable RPM; oil pressure logged (min 25 psi at 2,000 RPM); compression verified on all cylinders.
6. ECU Compatibility Check: SP2-specific calibration confirmed; no reprogramming needed for direct-fit replacement in 2017 - 2025 XT5 models.