1891707 Orifice Fits Caterpillar Models
1891707 Orifice Fits Caterpillar Models
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One New Aftermarket Replacement A/C Orifice Assembly for Caterpillar (Cat) Equipment
This orifice assembly is a key component of the Caterpillar air conditioning system, controlling refrigerant flow between the high-pressure and low-pressure sides of the A/C circuit. It serves as a fixed metering device at the evaporator inlet, regulating the amount of refrigerant entering the evaporator to maintain proper cabin cooling. Replace a clogged or restricted orifice to restore full A/C performance.
Compatible Models
Caterpillar Motor Graders: 12K, 12M, 12M 2, 14M, 16M, 120K, 120K 2, 120M, 120M 2, 140K, 140K 2, 140M, 140M 2, 160K, 160M, 160M 2
Caterpillar Scrapers / Elevating Scrapers: 621H, 621K, 623H, 623K, 623K LRC, 627H, 627K, 627K LRC
Caterpillar Excavators / Forestry / Other: 24H, 325D FM LL, 330D FM, 568 FM LL, 613G
Replaces Part Number(s):
1891707, 189-1707
Aftermarket Interchange Numbers
Ecoclim 253A07
New aftermarket replacement part - not remanufactured, not used.
