Kool Star is a Master-Bilt brand that was founded in 1938. They specialize in manufacturing commercial refrigeration equipment as well as OEM parts for cold storage units. So if you need to fix your commercial refrigerator or freezer, you can find Kool Star parts to get the job done.
If you’re looking for refrigerator parts like sweeper strips, hinges, or latches, Kool Star manufactures what you need. Whether you have a reach-in or walk-in unit, you can find the parts and accessories necessary to maintain a functioning unit.

MASTER-BILT 19-13953 SENSOR ONLY FOR TLY25 HCA1(19-
SENSOR ONLY TLY25 HCA1(19-
$142.34
$153.05
Sold out
MASTER-BILT 19-13936 CONTACTOR 30/40A 1P 120/50-
CONTACTOR, 30/40A, 1P, 120/50-
$76.34
$79.52
In stock
MASTER-BILT 19-13934 CONTACTOR 30/40A 2P 240/277
CONTACTOR, 30/40A, 2P, 240/277
$58.10
$60.52
In stock
MASTER-BILT 19-13897 THERMOSTAT (HEATER SAFETY) UL
THERMOSTAT (HEATER SAFETY) UL,
$58.11
$60.53
In stock
MASTER-BILT 19-13891 AUDIBLE SIGNAL #12PN31100-FN
AUDIBLE SIGNAL, #12PN31100-FN
$56.49
$58.84
In stock
MASTER-BILT 19-13855 RELAY #AZ2280-1A-12DEF 240VAC
RELAY, #AZ2280-1A-12DEF 240VAC
$66.09
$68.83
In stock
MASTER-BILT 19-13844 HEATER SAFETY #103079003 2 WIR
HEATER SAFETY #103079003 2 WIR
$248.20
$266.87
In stock
MASTER-BILT 19-13822 ERC2 (LOW) #ERC2-331011-301 NO
DIGITAL CONTROLLER, LOW, ERC2-31011-301
$594.08
$638.79
In stock
MASTER-BILT 19-13791 3-PHASE MONITOR MODEL PM-35- 4
3-PHASE MONITOR MODEL PM-35- 4
$274.83
$295.52
In stock
MASTER-BILT 19-13773 ELECTRIC EXPANSION VALVE SER-6
ELECTRIC EXPANSION VALVE, SER-6-5/8" X 5/8"
$460.47
$495.13
In stock
MASTER-BILT 19-13765 TEMP CONTROL RANCO A30-464-000
TEMP CONTROL RANCO A30-464-000
$97.15
$101.19
In stock
MASTER-BILT 19-13749 3-PHASE MONITOR MODEL PM-35- 2
MONITOR, 3 PHASE, MODEL PM-35
$261.12
$280.77
In stock
MASTER-BILT 19-13742 MINI LOW PRESSURE CONTROL JOHN
MINI LOW PRESSURE CONTROL JOHN
$110
$114.58
In stock
MASTER-BILT 19-13739 MINI HIGH PRESSURE CONTROL ITC
MINI HIGH PRESSURE CONTROL ITC
$74.92
$78.03
In stock