Subaru Engine Parts

DNJ Piston Ring Set (Oversizes Available)

Engine Details: Set Services Complete Engine, 1.0x1.0x2.0.

Buyers Guide: [2012-2015] SUBARU [1.0x1.0x2.0] / H4 / 2.0L DOHC 16V [(FB20)]

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

DNJ Intake Valve

Engine Details: FB25BA 16V Naturally Aspirated DOHC

Notes: Intake

Buyers Guide: [2011-2018] SUBARU / H4 / 2.0L, 2.5L / 122, 152 DOHC 16V [(FA20F, FB20, FB25BA, FB25BC)]

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

DNJ Master Engine Rebuild Kit

Includes: Piston Set, Piston Ring Set, Main Bearings Set, Rod Bearings Set, Full Gasket Set, Timing Belt, Oil Pump.

Engine Details: w/ Oil Pump & Timing Belt Or Timing Kit If Applicable, Master Kit, Rod Bearing w/ 52mm Journal.

Brief Fitment Information: [2007-2015] / Subaru / Impreza,WRX STI / Liters: 2.5 / H4 / Valves: 16 / EJ257.

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

DNJ Timing Belt Water Pump Kit

Engine Details: EJ253 16V Naturally Aspirated SOHC

Notes: Premium Kit, 9 Components: 1 Belt, 3 Bearings, 1 Hydraulic Adjuster, 3 Seals, 1 Water Pump, Thermostat Vertical; 1 Outlet Pump

Buyers Guide: [1999-2011] SAAB, SUBARU [9 Components: 1 Belt, 3 Bearings, 1 Hydraulic Adjuster, 3 Seals, 1 Water Pump] / H4 / 2.2L, 2.5L SOHC 16V [(EJ22, EJ25, EJ253)]

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

DNJ Timing Belt

Engine Details: EJ205 16V Turbocharged DOHC

Notes: Premium

Buyers Guide: [2002-2015] SAAB, SUBARU / H4 / 2.0L, 2.5L DOHC 16V [(EJ205, EJ255, EJ257)]

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

DNJ Piston Set (Oversizes Available)

Engine Details: Set Services Complete Engine, 1.2x1.2x2.5.

Buyers Guide: [2002-2005] SAAB, SUBARU [1.2x1.2x2.5] / H4 / 2.0L DOHC 16V [(EJ205)]

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

DNJ Exhaust Valve

Engine Details: FB25 16V Naturally Aspirated DOHC

Notes: Exhaust

Buyers Guide: [2013-2015] SUBARU / H4 / 2.5L / 152 DOHC 16V [(FB25)]

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

DNJ Timing Belt Tensioner Bearings

Engine Details: 16V Naturally Aspirated SOHC

Notes: EJ22; Lower, Bearing w/ Integrated Sprocket

Buyers Guide: [1990-2015] SAAB, SUBARU / H4 / 1.8L, 2.0L, 2.2L, 2.5L DOHC, SOHC 16V [(EJ18E, EJ205, EJ22, EJ22T, EJ25, EJ253, EJ255, EJ257, EJ25D)]

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

DNJ Engine Rebuild Kit

Includes: Piston Set, Piston Ring Set, Main Bearings Set, Rod Bearings Set, Full Gasket Set.

Engine Details: w/o Oil Pump & Timing Belt Or Timing Kit, w/o Upper Int. Set, For #5 Position Thrust, Rod Bearing w/ 52mm Journal.

Brief Fitment Information: [1999-2006] / Saab,Subaru / 9-2X,Baja,Forester,Impreza,Legacy,Outback / Liters: 2.5 / H4 / Valves: 16 / EJ251,EJ252,EJ253,EJ259.

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

DNJ Master Engine Rebuild Kit

Includes: Piston Set, Piston Ring Set, Main Bearings Set, Rod Bearings Set, Full Gasket Set, Timing Belt, Oil Pump.

Engine Details: w/ Oil Pump & Timing Belt Or Timing Kit If Applicable, Master Kit, Rod Bearing w/ 48mm Journal.

Brief Fitment Information: [2007-2015] / Subaru / Impreza, WRX STI / Liters: 2.5 / H4 / Valves: 16 / EJ257.

Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

2007-2015 Subaru 2.5L H4 Turbocharged Engine Rebuild Kits

For Subaru enthusiasts seeking reliable engine rebuild solutions, Partsology offers top-quality 2.5L H4 Turbocharged EJ257 engine rebuild kits (MPN: EK722BM), engineered specifically for the 2007-2014 Subaru Impreza and the 2015 Subaru WRX STI models. These kits include everything needed to bring your turbocharged EJ257 engine back to peak performance, from pistons and rings to gaskets and bearings, all crafted to OEM quality standards. With parts meticulously built to match factory specifications, our Subaru Impreza and WRX STI engine rebuild kits deliver the durability, precision fit, and high performance that Subaru drivers demand.

Partsology’s EJ257 engine rebuild kits are designed to enhance both the longevity and reliability of your Subaru’s engine, making them ideal for daily drivers and performance enthusiasts alike. Every component in our kits is rigorously tested and selected to ensure it meets or exceeds OEM standards, giving you confidence in a smooth and effective rebuild process. With Partsology’s commitment to quality, you can trust that each part will contribute to optimized power, efficiency, and durability, helping your Subaru run as it was engineered to. Restore the thrill of your Impreza or WRX STI with Partsology’s EJ257 engine rebuild kits and enjoy driving performance that lasts.