Subaru WRX STI Engine Block Parts
Engine block parts for the Subaru WRX STI cover the 2013–2021 model years, with options ranging from crankshaft main bearing sets and connecting rod bearings to piston rings, oil filler caps, and drain plugs. Pick your Subaru WRX STI's year above to narrow the list to engine block parts with confirmed fitment. Every part shown is checked against our vehicle data.
Dorman 917-034 Engine Oil Separator Cover Stamped Steel Replacement
King Engine Bearings CR4125CP Connecting Rod Bearing Set for Subaru EJ20/EJ22/EJ25
King Engine Bearings MB5382XPG0.5 XPG-Series Main Bearing Set Subaru EJ20/EJ22/EJ25 0.5mm Undersize
King Engine Bearings MB5382XPGC Crankshaft Main Bearing Set pMaxKote Coated 1/2 Groove
King Engine Bearings CR4280XP XP Series Tri-Metal Connecting Rod Bearing Set
King Engine Bearings CR4280XPSTDX XP Series Connecting Rod Bearing Set
King Engine Bearings CR4125CP0.75 Connecting Rod Bearing Set Subaru EJ20/EJ22/EJ25 Tri-Metal +0.75mm
King Engine Bearings CR4125CP0.5 Connecting Rod Bearing Set for Subaru EJ20/EJ22/EJ25
King Engine Bearings CR4125CP0.25 Connecting Rod Bearing Set for Subaru EJ20/EJ22/EJ25
King Engine Bearings CR4280CP0.5 Connecting Rod Bearing Set Subaru - EJ20 EJ22 EJ25
MAHLE 40069CP-030 Precision-Ground Moly Piston Ring Set 3.940 in. Bore V8
King Engine Bearings MB5220XP.026 pMax Black Race Main Bearing Set Subaru EJ20 EJ22 EJ25
Representative Photo, actual item may vary
MAHLE 42172CP.030 Engine Piston Ring Set Oversize - 0.030
Representative Photo, actual item may vary
What's here for your Subaru WRX STI
- Engine Crankshaft Main Bearing Sets
- Engine Connecting Rod Bearing Sets
- Engine Piston Rings and Piston Ring Sets
- Engine Oil Filler Caps
- Engine Oil Drain Plugs
The widest selection here comes from King Engine Bearings, Dorman, MAHLE, and Hastings, covering both OE-replacement and performance-oriented options across the 2013–2021 model range. Other categories Subaru WRX STI owners shop for: Subaru WRX STI Springs and Suspension Parts, Subaru WRX STI Shocks and Struts and Subaru WRX STI Manual Transmission Parts, or browse all Subaru WRX STI parts and accessories.