Old Part Numbers: 019-0246, 019-0023Replacement air filter element, Rolair 431. Fits the K12 through K30 air compressor pumps.

Old Part Numbers: SV25200, SRV250200, 1229O-200, 9710533300, 136-0007RPAir compressor safety relief valve, 1/4" MPT, 200 PSI. If your valve leaks below the pressure listed on the side of the valve,...

Old Part Numbers: NTB14Use this nylon tube if your air compressor pressure switch has a plastic unloader valve with a quick-connect fitting. Note: sold by the foot (quantity of 1 = 1 foot or 12...

Old Part Numbers: K30REPKIT/10, K30REPKIT/30, K30REPKIT/SYNIncludes Gasket Set, Oil Sight Glass, Oil Breather / Dipstick, Piston Rings, Air Intake Filter, Reed Valves, and two quarts of Blended...

Complete gasket kit includes all necessary gaskets for rebuilding the K30 air compressor pump: head gasket, inner valve plate gasket, cylinder gasket, crankcase gasket, bearing cover gaskets,...

Order when replacing or removing aftercooler.

Old Part Numbers: 30500130CHOil Site Gauge. Includes Gasket.

The relief valve is located on the side of the air compressor's pressure switch. If your relief valve is attached to your switch by inserting through a hole on the side bracket, then this is your...

Original OEM SquareD replacement Pressure Swtich. Features a 1/4" Male NPT Manifold, 1/4" Compression Unloader Valve, Manual On/Off Lever Switch, and a pressure setting of 105/135 PSI. Replace the...

Low-Pressure Reed Valve (4 needed). Order VP gaskets as well when installing new valves.  

Old Part Numbers: 36500300CHCrankcase Breather with O-ring.

Everything you need to perform a valve job and restore compression, including all reed valves and related gaskets. If air leaks out of the intake filter or if the compressor just isn't performing...

Old Part Numbers: 3168Air compressor pressure switch/manifold pipe plug, 1/4"-18 male NPT. A very common hex plug used on countless air compressors, this 1/4" NPT countersunk hex plug installs into...

Old Part Numbers: PMP22K30CHLF-E-BLEMFor gas engine powered units. Flywheel is not included, must use your old flywheel. Includes air filter assembly. Add oil, bolt on and go! Oil Capacity = 47 oz...

Complete K30 air compressor replacement pump includes the flywheel, intercooler, air filter assembly, and aftercooler. For gas or electric-powered units. Add oil, bolt on, and go! Oil not included,...

Oil seal for the crankshaft.

High Pressure Reed Valve (2 needed).

Old Part Numbers: FS-14-075Complete hollow-style filter assembly for air compressors, including filter element. Takes the 14-SOL filter element. Replacing the pump's air filter regularly is important...

This gasket is now metal, which provides better longevity against high temperatures and back pressure. We recommend ordering the gasket kit, as it will save you money and will ensure that you have...

5 HP, 1-Phase, 230 volt magnetic starter. Important: Electrical components, such as magnetic starters, motors, capacitors (etc.) cannot be returned for a refund unless proven to be defective...

These are the Inserts for the NEW connecting rod (311SL11005CH). NOTE: Qty. 1 = 1 pair of inserts.

Old Part Numbers: 31101990CH1, 31102130CHConrod Assy INCLUDES Insert Bearings and Upper Bushing. Order this for the complete assembly!

Air compressor check valve. 1/2" FPT x 1/2" FPT check valve with 1/8" FPT side port. Up to 20 SCFM If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the unit shuts...

Qty 1

Finned aftercooler. Order gasket to go with aftercooler.

O-Ring, bottom of intercooler (two required).

1/8" NPT x 1/4" air compressor elbow fittings. For COPPER tubing.

Old Part Numbers: MIS11102A3/4" copper tube for Rol-Air air compressors, 12" length. You will need to bend this to fit your specific application.

Includes valve plates, valves, and gaskets. Poor performance or air leaks out of the intake filter while the unit is running? This is probably the problem.

Gasket in between the valve plates. This gasket is now metal, which provides better longevity against high temperatures and back pressure. We recommend ordering the gasket kit, as it will save you...

This gasket is now Teflon, which provides better longevity than the original paper gasket. We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the...

1/4" OD copper tubing. Sold by the foot (example: order qty 2 for 2 feet).

Larger low pressure piston. Piston only. No rings.

Check Valve (as shown with auto tank drain). Valve includes 2 ports. After serial number 15080001.

Order rings if your unit is using oil and your valves are good. Hone the cylinder walls prior to installing. Order cylinder gasket if only removing cylinder and installing rings.

Rolair Air Compressor Auto Tank Drain Kit includes ball valve, drain valve, elbows, tu

If your crank is grooved, replace it to ensure that your rebuild will not be in vain. If there are only surface deposits of aluminum from the bearings, then remove them with a soft wire brush and...

Connector for bottom of intercooler (O-RING STYLE).

15" OD, 2 GROVE A SECTION V-BELT

Fell over and cracked your intercooler? Replace one or both, the left and ride side intercoolers are the same.

Old Part Numbers: MFBLNP0250X1500

Smaller hi pressure piston. Piston only. No rings.

HP Compression ring only.

Replace this pin when replacing piston or rod.

Unit fall and break the head. Make sure to order gasket kit as well.

Valve plate for ROLAIR K30 pump or ROLAIR K30HU pump.  Sale item - 1 in stock (no returns).

1/4" MPT x 1/4" compression brass elbow.

Old Part Numbers: 31101990CHReplace these if bent or worn. Check crank for damage first. Same rod for hi and lo pressure piston (includes upper bushing). Insert Bearings NOT included! Order...

Located between Intercooler which leads to tank and pump head. (for newer non-gasket style) (ea.) - not shown.

Kit includes 2 bottles of oil, 1 pump air filter, and 1 set of (4) vibration pads.

Save your knees and your tank by installing this automatic drain valve. Click here for installation instructions.

Replace if rusted, pitted or grooved.

5 HP, 3-Phase, 208/230 volt magnetic starter. Important: Electrical components, such as magnetic starters, motors, capacitors (etc.) cannot be returned for a refund unless proven to be defective.

Shutoff (Gate) Valve, 3/8" FPT. 

1 Phase

Custom built to order, 3-4 week lead time. Please include your model number in the comments when ordering these to receive the correct product.

Bushing for pulley, 1.125"