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

Old Part Numbers: 072-0006Replace this air compressor drain valve if leaking or will not work. Prevent rust from ruining your tank by draining your tank daily. Keep an extra around for a spare. This...

Keep your air compressor from sliding all around your vehicle or floor. Order extra for future use.Specifications Height: 3/4"  Diameter: 1-1/2"

Old Part Numbers: SRV250175, 1229O-175Air compressor safety relief valve, 1/4" MPT, 175 PSI, ASME. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety...

If you start to hear knocking from your pump, then you need to replace your bearing inserts. Check crank to make sure it is not damaged.

Old Part Numbers: MFGA0250200GC, PG0250200BTAir Compressor Pressure Gauge, 1/4" MPT, 200 PSI, Bottom-Mount. Replace after 5 years as they weaken and give improper readings.Specifications PSI: 0-200...

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

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

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: K18REPKIT/10, K18REPKIT/30Kit includes most parts needed for a full air compressor pump rebuild: Gasket Set, Oil Sight Glass, Oil Breather/Dipstick, Rings, Air Filter, Reed Valves,...

Aluminum Block Manifold (5-way).

Qty: 1 Reed Valve. Order 4 for a complete set! We recommend ordering the K18ValveKit, as it includes all four Reed Valves and associated Gaskets.

Old Part Numbers: 1312100129Air compressor V-Belt, 4L510, 51" circumference. Replace if frayed or slipping.Specifications A-type belt, 1/2" wide Outside Dimension: 51" "A" Belt Conversion: A49

Complete hollow-style air filter assembly for air compressors, including filter element. 1/2" threaded inlet. Takes the #14-SOL Filter Element. Replacing the pump's air filter regularly is important...

Crankcase Ball Bearing, front end-cap.

Old Part Numbers: 305014ACHFinned aftercooler for the K17 and K18 model pumps. Order o-ring to go with aftercooler.

K18 Air Compressor Pump Valve Kit Includes all four (4) valves, head gasket, valve plate gasket, and cylinder gasket. If air leaks out of the intake filter or if the compressor just isn't performing...

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...

11" diameter with a tapered bore

Replace these if bent or worn. Check crank for damage first. (includes upper bushing)

Piston only

5/8" Hose Clamp. Uses two.

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

Old Part Numbers: 145F, FDT91/2" MPT x 5/8"-14 JIC female flare swivel x 9.5" long. 1/2" inside hose diameter.Extra DetailsIf you have a Rolair unit, this fits the 6590HK18, 4090HK17, 1040 Series,...

We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the head gaskets. We always recommend replacing all head gaskets at the same time, as the other...

1/4" OD for throttle/idle control. Sold by the foot (qty. 1 = 1 foot).

If leaking occurs around your aftercooler supply line at the head, replace this gasket.

We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the head gaskets. We always recommend replacing all head gaskets at the same time, as the other...

3/8" gasket for oil breather.

3/8" Rubber Hose, sold by the foot. (Example: Order qty 2 for 2 feet)

Seal for crank

Old Part Numbers: FC127GH0012, 020121000F, FC127HQ0130

Up to 12.32 cfm with 3 HP motor. Includes 11.5" steel flywheel and air filter assembly and aftercooler. Footrpint is 7.08" x 5.19". Does NOT ship with oil. Please note that a model number is required...

Old Part Numbers: WLS30, WLS30SEALFully pneumatic wheel assby w/sealant. Just slide onto axle.

O-ring needed for finned aftercooler.

Brass 1/8" male NPT x 1/4" male hose barb fitting.

Old Part Numbers: MFBLNP0250X1500

Old Part Numbers: MFBRCP0375X0375H12

Axle for Semi-pnuematic wheel.

Keep your tank from rusting. Replace this if leaking or will not work.

We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the head gaskets. We always recommend replacing all head gaskets at the same time, as the other...

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.

Includes all necessary gaskets for rebuilding pump.

Old Part Numbers: BG9145, BG9140BIncludes base, cover and cover screws. Custom made. 3-4 week ship time.

Includes 2 valve plates, 4 Reed Valves, and Upper 3 Gaskets. Poor performance or air leaks out of the intake filter while the unit is running? This is probably the problem.

Old Part Numbers: 36531130CHNo longer available, supersedes to part number 36500300CH.

Old Part Numbers: MFMIS10008

Item not sold. Requires special machining to use.

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