Mack Parts
Explore our heavy duty truck parts built to keep Mack engines and trucks running strong. Each unit provides reliable performance and long lasting durability for demanding fleets. This range of diesel engine parts supports consistent operation in heavy duty service. Compatible with Mack trucks and engines. Get it now for uninterrupted operation.
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Mack 745-104574 Valve Relay R-14H PAI 36840
$58.99 USD
CROSS REFERENCE: 745-104574 APPLICATION: Mack/Multiple Use Application. DETAILS: Relay Valve R-14H Horizontal Delivery and Supply Ports (2) 1/2 in-14 Supply Ports (2) 1/2 in-14 Delivery Ports (1) 1/4 in-18 Service...
Mack KN28071 Valve Relay R-14H PAI 35890
$79.99 USD
CROSS REFERENCE: 20QE401R 20QE419R 20QE460 7883-KN28071 APPLICATION: Mack/Multiple Use Application. DETAILS: Relay Valve R-14H (1) 1/2 in-14 Supply Port (2) 1/2 in-14 Delivery Ports (1) 1/4 in-18 Control Port (1)...
Mack 5396-KN28065 Valve Relay R-14H PAI 3579
$244.86 USD
CROSS REFERENCE: 5396-KN28065 APPLICATION: Mack/Multiple Use Application. DETAILS: Relay Valve R-14H (2) 1/2 in-14 Supply Ports (2) 1/2 in-14 Delivery Ports (2) 1/4 in-18 Control Ports 4 psig Cracking Pressure...
Mack 5396-KN30300 Valve Relay PAI 36350
$45.99 USD
CROSS REFERENCE: 5396-KN30300 9002-A71890 APPLICATION: Mack/Multiple Use Application. DETAILS: SR-1 Spring Brake Valve 95 psig Limiting Pressure Supply Port 1/4-18 NPT Control Port 1/4-18 NPT Reservoir Port 1/4-18 NPT Delivery...
Mack 5396-KN30400 Valve Relay PAI 36100
$99.43 USD
CROSS REFERENCE: 5396-KN30400 750-12350 APPLICATION: Mack/Multiple Use Application. DETAILS: Relay Valve Cracking Pressure 3.0 psi Reservoir Port (1) 3/4-18 NPT Delivery Ports (4) 3/8-18 NPT Service Port (1) 1/4-18 NPT...
Mack 800333 Valve QR-L PAI 5222
$37.99 USD
CROSS REFERENCE: 800333 745-800333 APPLICATION: Mack/Multiple Use Application. DETAILS: Valve QR-L Direct Mount Exhaust Port Delivery Port (1) 1/2 in NPT Supply Port (1) 1/2 in NPT BRAND: PAI 5222 Mack...
Mack 745-289182 Valve Quick Release Check PAI 57180
$14.99 USD
CROSS REFERENCE: 1676744C1 745-289182 APPLICATION: Mack/International/Navistar/Multiple Use Application. DETAILS: Quick Release Check Valve Supply Port (1) 1/4 in P.T. Delivery Ports (2) 1/4 in P.T. Balance Port (1) 1/4 in...
Mack 20QE2288 Valve Check Quick Release PAI 36260
$11.99 USD
CROSS REFERENCE: 1676745C1 20QE2288 745-289714 5396-KN32041 APPLICATION: Mack/International/Navistar/Multiple Use Application. DETAILS: Check Valve Quick Release Supply Port (1) 1/4 in P.T. Delivery Ports (2) 3/8 in P.T. Balance Port (1)...
Mack 278825 Valve Synchronizing PAI 55490
$24.99 USD
CROSS REFERENCE: 3076-278825 20QE2102 745-278825 APPLICATION: Mack/Multiple Use Application. DETAILS: Synchro Valve, Exhaust Port: (1) 1/8-27 NPT Supply Port: (1) 1/4-18 NPT Control Port: (1) 1/4-18 NPT, Delivery Port: (1)...
Mack/Caterpillar 280758 TR-3 Valve Inversion PAI 59370
$42.99 USD
CROSS REFERENCE: 6D1039 745-281053 745-280758 APPLICATION: Mack/Caterpillar/Multiple Use Application. DETAILS: TR-3 Inversion Valve (1) 1/4 in Supply Port, (1) 1/4 in Delivery Port, (1) 1/8 in Control Port, 45–60 psig...
Mack/international 20QE2119P2 Valve Pressure Reducing PAI 56370
$42.99 USD
CROSS REFERENCE: 347082R92 20QE2130AP1 745-283590 20QE2119P2 745-278426 745-284157 745-277214 745-285533 745-A283590 APPLICATION: Mack/International/Multiple Use Application. DETAILS: Pressure Reducing Valve 3.39 in Length (1) 1/4 in Supply Port (1) 1/4 in...
Mack/Volvo 20QE2123R Valve Inversion PAI 56350
$27.99 USD
CROSS REFERENCE: 6792885 20QE2123 745-281459 20QE2123R 1617036C91 6792885 APPLICATION: Mack/Volvo/International/Navistar/Multiple Use Application. DETAILS: Inversion Valve 25–40 psig Setting. BRAND: PAI 56350 Mack Volvo 20QE2123R Valve Inversion PAI 56350. Commercial truck parts...