2G3537 Valve-Relay Fits Caterpillar Models

One New Aftermarket Replacement Air Brake Relay Valve for Caterpillar (Cat) Construction Equipment

This aftermarket replacement air brake relay valve (R-8 type) is a direct replacement for Caterpillar part number 2G-3537 (also referenced as 2G3537). The R-8 relay valve controls air pressure delivery in the air brake system, modulating supply pressure to brake chambers in response to service brake application. It is also cross-referenced to Caterpillar number 9J-9965.

Specifications

• Type: R-8 Air Brake Relay Valve
• Pressure: 3.0 PSI crack pressure
• Supply Port: 3/4 in. - 14 NPTF
• Delivery Ports: (2) 1/2 in. - 14 NPTF
• Service Port: 1/4 in. - 18 NPTF
• Thread Type: NPT/NPTF

Compatible Models

Caterpillar: Contact your dealer or verify by part number 2G-3537 / 9J-9965 against your machine's parts catalog. This is a widely used Cat air brake relay valve for construction and industrial equipment.

Replaces Part Number(s):

2G3537, 2G-3537, 9J-9965, 9J9965

Aftermarket Interchange Numbers

Mack: 745-286370; Navistar / International: 1676729C1, 1676-729-C; Bendix: 286370, 286370BXW, 286371, 286892, 287260, 287277, 288369; Haldex: 286370RX, 286371X; PAI: 5616, 56160, EM56160, LRV-5616; Tramec Sloan: 401210; Velvac: 34024; Dayton Parts: AV286370; OE Aftermarket: 3514230, B9174GRP; Tectran: 14463, TV286370; Volvo Truck: 1092945; Freightliner: BW286370

New aftermarket replacement part - not remanufactured, not used.