Old Part Numbers: ST084202AV-MATBall bearing, 20mm, 6204.

This handy maintenance kit includes a VH series air filter element and one (1) quart of high-quality synthetic blend lubricant to keep your air compressor running like a champ! For VT, TQ, and VH air compressor pumps. This new metal style replaces the...

New Crankshaft Assembly with Ball Bearings, Connecting Rods, and Pistons. For pumps that end in "AV" ONLY! Includes crankshaft, bearings, rings, conrods, and pistons. NOTE! This will not fit pump models ending in "AJ".

Fits between head and filter assby. (old style)

Old Part Numbers: ST016500AV

Piston Pin for air compressors.

Old Part Numbers: ST022300AV, STD-2231/8" male NPT pipe plug. Used to plug accessory threads in the air compressor manifold, regulator, pressure switch (etc.).

Two different unloaders used based on SERIAL number.