The Jeep 552 63 088 is a 2,987 cc, 60-degree V6 turbo-diesel engine produced between 2011 and 2018. It was developed by Fiat Powertrain Technologies for global Jeep applications, featuring a DOHC 24-valve layout, common rail direct injection, and a variable geometry turbocharger (VGT). In standard form it delivered 177 kW (241 PS) and 550 Nm of torque, providing strong, flexible pulling power ideal for larger SUVs.
Fitted primarily to the WK2 Grand Cherokee and certain markets' Commander models, the 552 63 088 was engineered for drivers needing robust towing capacity and long-distance cruising refinement. Emissions compliance for most units was achieved through a diesel particulate filter (DPF) and selective catalytic reduction (SCR) with AdBlue, meeting Euro 5 standards, with later builds in specific markets achieving Euro 6.
One documented concern is premature failure of the high-pressure fuel pump, which can lead to a no-start condition or severe power loss. This issue, highlighted in Fiat Powertrain Service Bulletin FPT-SB-2014-08, is often linked to fuel contamination or inadequate lubrication properties. In 2015, a revised pump design with improved internal tolerances was introduced for production.
Production years 2011–2014 meet Euro 5 standards; 2015–2018 models meet Euro 6 compliance depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Jeep 552 63 088 is a 2,987 cc V6 turbo-diesel engineered for large SUVs and off-road vehicles (2011–2018). It combines common-rail direct injection with a single variable-geometry turbocharger to deliver high torque and refined cruising capability. Designed to meet Euro 5 (and later Euro 6) standards, it balances heavy-duty performance with emissions control.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,987 cc | |
| Fuel type | Diesel | |
| Configuration | 60° V6, DOHC, 24-valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 89.0 mm × 80.0 mm | |
| Power output | 177 kW (241 PS) | |
| Torque | 550 Nm @ 1,800–2,800 rpm | |
| Fuel system | Bosch CP4.2 common-rail (up to 1,800 bar) | |
| Emissions standard | Euro 5 (pre-2015); Euro 6 (2015–2018) | |
| Compression ratio | 16.5:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Single variable-geometry turbo (Honeywell) | |
| Timing system | Chain-driven (front-mounted) | |
| Oil type | Fiat 9.55535-S1 (SAE 5W-40) | |
| Dry weight | 248 kg |
The V6 configuration and VGT turbo provide smooth, linear power delivery ideal for towing and highway cruising but require strict adherence to 20,000 km oil change intervals using Fiat 9.55535-S1 (5W-40) to protect the high-pressure fuel system and turbo bearings. Ultra-low-sulfur diesel (ULSD) meeting EN 590 is mandatory to prevent CP4.2 pump failure. The AdBlue/SCR system demands periodic refills and sensor checks to avoid emissions-related limp mode. The revised fuel pump (post-2015) should be installed on earlier models during replacement per FPT-SB-2014-08. DPF regeneration cycles are frequent under urban driving, requiring occasional highway runs.
Oil Specs: Requires Fiat 9.55535-S1 (5W-40) specification (Fiat Powertrain SIB FPT-SB-2014-08). Equivalent to ACEA C3.
Emissions: Euro 5 certification applies to 2011-2014 models; Euro 6 applies to 2015-2018 models (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under SAE J1349 standards. Output is consistent across model years (Fiat Powertrain Group Specification FPT-GS-001).
Fiat Powertrain Technical Information: Docs FPT-TM-102, FPT-ER-203, SIB FPT-SB-2014-08
VCA Type Approval Database (VCA/EMS/5678)
SAE International: J1349 Engine Power Certification Standards
The Jeep 552 63 088 – Diesel (Fiat Powertrain) was used across Jeep's WK2 platform with longitudinal mounting and was not licensed to other manufacturers. This engine received platform-specific adaptations-reinforced engine mounts in the Grand Cherokee and a specific exhaust routing for the Commander-and from 2015 the emissions system was updated for Euro 6 compliance, creating minor software and hardware interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on a flat boss on the left-hand side of the engine block, just below the cylinder head (Fiat Powertrain TIS FPT-TIS-005). The 8th digit of the VIN is typically '8' for diesel V6 models. Pre-2015 models have a silver intake manifold; post-2015 Euro 6 models feature a black intake manifold and an additional AdBlue injector in the exhaust. Critical differentiation from gasoline V6: Presence of a diesel fuel filter housing on the inner left fender and an AdBlue tank filler cap next to the fuel filler. Service parts, particularly for the emissions system, require model year verification as Euro 5 and Euro 6 components are not interchangeable (Fiat Powertrain SIB FPT-SB-2015-12).
The 552 63 088's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles using poor-quality fuel. Fiat Powertrain internal reports indicated a significant number of pump replacements under warranty for pre-2015 builds, while UK DVSA data shows DPF-related faults are common in vehicles subjected to predominantly urban driving. Extended oil change intervals and low-quality diesel make adherence to the specified fuel and oil grade critical.
Analysis derived from Fiat Powertrain technical bulletins (2011–2018) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about JEEP 552_63_088.
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Regulation (EC) No 715/2007
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