KLA4508065, 137603, 137-603 #01AEEF
Loading Schematic
Model Numbers: KLA4508065, 137603, 137-603
Repair Parts for the Kobalt model KLA4508065, 137603, 137-603 Stationary Single-Stage Oil-Bath Electric Air Compressor
IMPORTANT!
Identify which type of pump by these descriptions below. If not you could receive the wrong parts!
NOTE!
Please identify the pump as an UNOAIR or DAYLEAP type pump when ordering! See 'Extra Details' for photos.
UNOAIR model - PLASTIC Air Filter Canister, bright PLASTIC Oil Fill Cap and the solid clear PLASTIC Oil Sight Glass.
DAYLEAP model - METAL Air Filter Canister, METAL Oil Fill Plug and a BRASS Oil Sight Glass.
Specifications
Pump specs:
- Pump produces 14 cfm @ 90 psi
- Max pressure 155 psi
- Single stage, cast iron 3 cylinder.
Extra Details
UNOAIR:

DAYLEAP:

Manuals
Click here to order and download the Owner's Manual
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Crankcase Breather, VH & VT Pumps #01AA8D
Price: $17.50Crankcase breather assembly for air compressor models with threaded type crankcase for the breather. This assembly tightens into the crankcase; typically has an oil-level sight gauge.Price: $17.50 -
NYLON TUBING #0E5DA0
Price: $3.60Old 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...Price: $3.60 -
On Sale
Valve Plate Assembly #09B80A
Now: $64.46Was: $67.85Air compressor Valve Plate Assembly. NOTE! This new valve plate is different than the original valve plate. If replacing the valve plate for your Dayleap pump, you will also need to order the...Now: $64.46Was: $67.85 -
Air Filter Assembly, V-Twin Single Stage #022A0A
Price: $22.04Old Part Numbers: 019-0239, 201793GS, D23190This Air Filter Assembly, V-Twin Single Stage is the same as the VH901700AV Filter, but has 1/2" MPT PLASTIC threads. One complete assembly. Includes...Price: $22.04 -
Safety Relief Valve 1/4" MPT, 175 PSI, ASME #11632C
Price: $11.48Old 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...Price: $11.48 -
Air Compressor Pump Gasket Set, Dayleap #09B725
Price: $54.63Air compressor pump gasket kit (dayleap). Includes head-valve plate, cylinder, crankcase, bearing case gaskets, and oil seal. Note: Gasket kit is for the DAYLEAP (metal) style.Price: $54.63 -
Price: $11.97 -
Check Valve, 1/2" Compression x 1/2" MPT, CTD1212 #0E536A
Price: $7.20Air compressor check valve, 1/2" Compression x 1/2" MPT with 1/8" hole; plug hole if not needed. https://mastertoolrepair.com/1-8-blk-steel-plug-s-h-100b6e/ If the small unloader (bleeder) valve on...Price: $7.20 -
Air Filter Element, 14 & 18 CFM, Single-Stage #022A14
Price: $25.43Replacing the air compressor pump's air filter regularly is important to maintain the performance and longevity of your air compressor. A clean filter element prevents dust and debris from clogging...Price: $25.43 -
1/2" Compression Nut & Sleeve #116353
Price: $4.85Old Part Numbers: 60-8-61-81/4" compression nut and sleeve. Order two, one for each end of the tube.Price: $4.85 -
Condor MDR12 Pressure Switch, 125/155 PSI, 1-Port, 90 Unloader, On/Off Lever #0228D3
Price: $47.62Old Part Numbers: 034-0204, 071-0033The Condor 12AA2FAKH OEM pressure switch replacement is an MDR12 style, single-port, 1/4" female NPT pressure switch with manual on/off switch and 90-degree...Price: $47.62 -
1/4" HD Wingnut Drain Cock #07F8E3
Price: $22.501/4" NPT Heavy Duty drain cock. Prevent rust from ruining your tank by draining your tank daily. Keep an extra around for a spare.Price: $22.50 -
V-Belt, 4L540, 54" - VBG23377-VB #0E54C7
Price: $11.78Old Part Numbers: 4L540Air compressor v-belt, 54". Replace if frayed or slipping.Specifications A-type belt, 1/2" wide Outside Dimension: 54" "A" Belt Conversion: A52Price: $11.78 -
Air Filter Assembly #058F1A
Price: $54.24Air compressor air filter housing assembly, including filter element. Requires 3 for three-cylinder pumps. Replacing the pump's air filter regularly is important to maintain the performance and...Price: $54.24 -
Air Compressor Regulator Repair Kit #09B7EA
Price: $48.07Air compressor regulator repair kit includes the diaphragm with o-ring, small spring, and valve with o-ring. The regulator controls the amount of air to your hose. Replace this if you're not able to...Price: $48.07 -
Manifold in Platform with Dual Pressure Gauges #058FD8
Price: $196.35Manifold assembly includes the manifold block, pressure gauges, air regulator, quick couplers, and pipe plugs. NOTE! Does not include the outer regulator knob. Order separately.Price: $196.35 -
Air Filter Element, V-Twin, Single-Stage #022A1A
Price: $24.60Improved air compressor air filter element for the PLASTIC filter assembly. Ours is better than the OEM. Metal construction and 2 seal-tight gaskets. Replacing the pump's air filter regularly is...Price: $24.60 -
Pressure Switch, 130/155 PSI #01C007
Price: $93.06Air compressor pressure switch, 130/155 PSI. Tip: if your valve on the side (or bottom) of the switch is leaking constantly after the unit shuts off, do not order this part. Order check valve instead...Price: $93.06 -
Dayleap Air Compressor Pump Replacement without Flywheel, with Air Filters, Single-Stage, 4.5 - 5.2 HP #0E4192
Price: $521.48Dayleap replacement air compressor pump assembly without flywheel. Air filters included. Just bolt on, install your belt, flywheel, and discharge tube, and add oil (not shipped with oil). Important:...Price: $521.48 -
Air Filter / Synthetic Blend Air Compressor Oil Maintenance Kit #11663A
Price: $43.15This handy maintenance kit includes a VH series air filter assembly and one (1) quart of high-quality synthetic blend lubricant to keep your air compressor running like a champ! Metal air filter with...Price: $43.15 -
Pressure Switch, 125/155 PSI #05948A
Price: $252.98OEM pressure switch. 125 PSI On/ 155 PSI Off. Replace the Pressure Switch if the unit doesn't cut on or off at the designated pressure the unit is set for. If the unloader valve is leaking on the...Price: $252.98 -
Bleeder Tube, 14 CFM Kellogg #059050
Price: $25.94Old Part Numbers: 145-0495Aluminum Bleeder Tube for units by Craftsman, Coleman Powermate, Husky, Industrial Air, Kobalt, Masterforce, and Porter Cable. Typically, the 1/4" Bleeder Tube connects the...Price: $25.94 -
Male Compression Elbow KU86, 1/4" Compression x 1/8" MPT #0577E7
Price: $14.04Old Part Numbers: KU86 1/4" compression x 1/8" male NPT air compressor compression elbow. Note: For COPPER tubing. If you are using nylon or plastic tubing, consider using our T1059.Price: $14.04 -
Reducer Bushing, 2" NPT x 3/8" NPT #05905C
Price: $37.50Old Part Numbers: E105993Reducer Bushing, 2" male NPT x 3/8" female NPT.Price: $37.50 -
Air Filter / Full Synthetic Air Compressor Oil Maintenance Kit #11663B
Price: $47.14This handy maintenance kit includes a VH series air filter assembly and one (1) quart of high-quality full synthetic lubricant to keep your air compressor running like a champ! Metal air filter with...Price: $47.14 -
Air Filter / Full Synthetic Air Compressor Oil Maintenance Kit #11663D
Price: $44.46This handy maintenance kit includes a VH series air filter element and one (1) quart of high-quality full synthetic lubricant to keep your air compressor running like a champ! For VT, TQ, and VH air...Price: $44.46 -
Honbase Air Compressor Pump Replacement without Flywheel, Single-Stage, 5 HP #05A870
Price: $521.48Old Part Numbers: 040-0348RPHonbase air compressor replacement pump. Pump assembly does not include the flywheel or air filter assemblies. For the complete assembly with flywheel, order part number <Price: $521.48 -
Condor Unloader Valve, Straight #0228D7
Price: $19.84Old Part Numbers: CW211500AVUnloader (bleeder) valve on the bottom of the air compressor pressure switch, which the 1/4" OD unloader tube is connected to. If this valve leaks constantly AFTER the...Price: $19.84 -
12" Flywheel #058DE1
Price: $119.55Measure your flywheel first to be sure. 12" Flywheel with tapered shaft .90" to 1.092"Price: $119.55 -
VALVE PLATE ASSY 040-0432 UB40 #0595B8
Price: $89.36Broken valve causing slow pump up or no compression at all. Replace this valve plate assembly to restore compression.Price: $89.36 -
Price: $20.38 -
Regulator Gauge, 300 PSI, 1/8" NPT Backmount 2" Diameter #0596B1
Price: $32.30Air compressor regulator pressure gauge. If ordering for the Craftsman model 921.16475, this if for 27-gallon vertical units.Specifications 1/8" MPT 300 PSI 2" diameter facePrice: $32.30 -
Air Filter / Synthetic Blend Air Compressor Oil Maintenance Kit #11663C
Price: $40.47This 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...Price: $40.47 -
Bushing, 2" NPT x 1/4" NPT #05905A
Price: $37.502" x 1/4" NPT Tank Reducer Bushing. Remember to seal the threads with Teflon tape.Price: $37.50 -
1/4" Body x 1/4" MPT Industrial Steel Coupler #018BF6
Price: $20.621/4" body x 1/4" male NPT Industrial Steel Coupler for air compressors.Price: $20.62 -
Price: $17.58 -
Piston Ring Set (For ONE Piston Only) #05909E
Price: $72.93Piston Ring Set for one piston. Order quantity 3 (sets) for a complete set for three pistons.Price: $72.93 -
On Sale
Large Spring For Regulator #09B7E8
Now: $17.42Was: $24.88Spring for air regulator. This is the spring that installs directly into the plastic regulator knob, on top of the diaphragm.Now: $17.42Was: $24.88 -
Pump Cylinder #05909A
Price: $115.87Bare Cylinder replacement for the Coleman Powermate and Kobalt 3-cylinder pump. Replace if damaged or if the cylinder wall is scarred.Price: $115.87 -
(100605621) ROD CON OUTER 14CFM L180001 #058F1E
Price: $94.00NOTE: The 047-0095 Rod will fit Dayleap pumps built after April 2011.Price: $94.00 -
Tee Fitting #05908C
Price: $53.47NOTE! The threads on the T-fitting changed in 2015 to a standard ½” thread, using our standard ½” compression nut/sleeve, 60-8/61-8. If you have the Dayleap pump, it used a 11/16” compression fitting...Price: $53.47 -
Price: $86.22 -
Key, 5 Mm X 20 Mm #058FE2
Price: $11.97Old Part Numbers: 146-00255 mm key to keep flywheel from slipping.Price: $11.97 -
Air Filter / Full Synthetic Air Compressor Oil Maintenance Kit, 019-0240 #11664D
Price: $49.70This handy maintenance kit includes one air compressor air filter element for the PLASTIC filter assembly, and one (1) quart of high-quality full synthetic lubricant to keep your air compressor...Price: $49.70 -
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Price: $42.82 -
Air Compressor Electric Motor (OEM), 5 HP, 208/230V #058FEA
Price: $893.00OEM 5 HP replacement motor. Volts: 208/230 Amps: 22.0 Phase: 1 RPM: 3,450 Hz: 60 Frame: R56Y Shaft Size: 7/8" Service Factor: 1.15 Insulation Class: B Thermally Protected Extra DetailsWarranty: 90...Price: $893.00 -
Air Filter / Synthetic Blend Air Compressor Oil Maintenance Kit, 019-0240 #11664C
Price: $45.71This handy maintenance kit includes one air compressor air filter element for the PLASTIC filter assembly, and one (1) quart of high-quality synthetic blend lubricant to keep your air compressor...Price: $45.71 -
TUBE-TRANSFER 14CFM #058FDA
Price: $86.89Old Part Numbers: 145-0488 Part# change, order part# S145-0488.Price: $86.89 -
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Run Capacitor #059068
Price: $86.07Note: capacitor is for the S160-0325 motor (Emerson brand). CALL FOR DETAILS. Please note: Capacitors can not be returned for a refund unless proven to be defective.Price: $86.07 -
Price: $28.44 -
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Price: $42.82 -
Start Capacitor #059064
Price: $96.95Note: capacitor is for the S160-0325 motor (Emerson brand). CALL FOR DETAILS. Please note: Capacitors can not be returned for a refund unless proven to be defective.Price: $96.95 -
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Price: $28.86