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Cut-Off for Same Day Shipping has changed to 2:00 pm Central due to volume.

Recently Added

Stabilizer Bar Bracket Cap, Aluminum - Kenworth K071-429
Stabilizer Bar Bracket Cap, Aluminum - Kenworth K071-429
$55.40
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ABS Extension Cable, 30' (9m) Replaces Wabco S4497130900
ABS Extension Cable, 30' (9m) Replaces Wabco S4497130900
$17.04
(0)
ABS Extension Cable, 23' (7m) Replaces Wabco S4497130700
ABS Extension Cable, 23' (7m) Replaces Wabco S4497130700
$14.84
(0)

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MJ Heavy Duty Parts is a small, family owned, online distributor of semi-truck and trailer parts - bringing you the right parts, at the right price and delivered to you at the right time.
  1. Home
  2. Brake, Wheel End and Misc
  3. Air Valves, Shifter Knobs and Misc
  4. Sealco Style Air Valves

Sealco Style Air Valves

Products [9]

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Relay Emergency Valve - A1000S
Relay Emergency Valve - A1000S
$74.99
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Cartridge Kit for A1000S
Cartridge Kit for A1000S
$27.44
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Service Relay Valve - 110139
Service Relay Valve - 110139
$67.31
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Spring Brake Valve - 110170
Spring Brake Valve - 110170
$59.40
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Spring Brake Control Valve Protected Reservoir - 110171
Spring Brake Control Valve Protected Reservoir - 110171
$59.40
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Relay Emergency Valve - 110200
Relay Emergency Valve - 110200
$71.70
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Relay Emergency Valve - 110205
Relay Emergency Valve - 110205
$71.70
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Spring Brake Control Valve Standard - 110500
Spring Brake Control Valve Standard - 110500
$42.03
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Spring Brake Control Valve, Enhanced
Spring Brake Control Valve, Enhanced
$70.21
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