Mack Truck Parts
Find top-quality Mack truck parts at 4 State Trucks. Upgrade your rig with OE replacements and aftermarket solutions to ensure peak performance and durability. From bumpers and engine parts to fenders, you'll discover everything needed to keep your truck in prime condition. Hit the road confidently with reliable replacement Mack Truck parts.
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Model 875 Euro Express 12V 125 Decibel 310/342/363 Hz Black ABS Triple Train Horn
WOLO MANUFACTURING
$211.9910.5 X 4.875 X 4.5 Inch Black Semi Gloss Reinforced ABS Plastic Triple Train Horn * High Quality Horn Set* Euro Express* Trumpets- ABS Plastic - Color Semi Gloss Black* Dimensions- Short Trumpet 10 1/2 Inch Length- Front 4 7/8 Diameter- Rear 4 1/2 Inch...$211.99 -
Western Express Pro Train Horn 24-Volt 125 Decibels 330/336 Hz
WOLO MANUFACTURING
$151.9924-Volt 125 Decibel Train Horn * High Quality Train Horn Kit* Horn- 125 Decibels- 330/336 Hz Low Range- Short Trumpet-15.5 Inch Length - 7.25 Front Diameter - 4.5 Rear Diameter- Long Trumpet- 17.25 Inch Length- 7.25 Front Diameter - 4.5 Rear Diameter-...$151.99 -
Model 870 Western Express 12V 125 Decibel 330/336 Hz Black ABS Plastic Double Train Horn
WOLO MANUFACTURING
$140.9915.5 X 7.25 X 4.5 Inch Black Reinforced ABS Plastic Double Train Horn * High Quality Horn Set* Western Express* Trumpets- ABS Plastic - Color Semi Gloss Black* Dimensions- Short Trumpet 15.5 Inch Length- Front 7.25 Diameter- Rear 4.5 Inch Diameter- Long...$140.99 -
Model 855 WOLO Express 24V 128 Decibel 308/337/366 Hz Black ABS Plastic Triple Train Horn
WOLO MANUFACTURING
$174.9919 X 18 X 9.5 Inch Black Reinforced ABS Plastic Triple Train Horn * High Quality Horn Set* Wolo Express* Trumpet Color Semi Gloss Black * 128 Decibels* Dimensions- 19 Inch Length- 18 Inch Width- 9.5 Inch Height* Base- ABS Plastic- Painted Enamel*...$174.99 -
High Pressure Compressor 12-Volt 2.03 CFM For Large Volume Horns
WOLO MANUFACTURING
$184.9912-Volt High Pressure Compressor For Larger Air Tanks * High Quality Compressor- Voltage: 12 Volts- Current: 12 Amps- CRM 2.03 - Maximum Pressure: 120 PSI- 6.5 Inch Length- 3.5 Inch Width- 5 Inch Height* Fitting Size Air Hose - 1/4 Inch Diameter*...$184.99 -
Model 808-C High Output Direct Drive 12V 18-21 PSI Compressor
WOLO MANUFACTURING
$43.99Chrome High Output Direct Drive 12V 18-21 PSI Compressor * High Quality Drive Replacement Compressor* Chrome Plated* 12 Volt Current15 Amps* Electrical Connection .25 Male Terminals* Output 18-21 PSI* Compressor Size- 2.75 Inch Diameter- 4.75 Inch...$43.99 -
PS1 Pressure Switch For High Pressure On Board Air Systems For Systems Under 80 PSI
WOLO MANUFACTURING
$12.991/8 Inch Pipe Thread Pressure Switch * High Quality Pressure Switch- 1 Inch Diameter- 1-3/4 Inch Height- 1/8 Inch Pipe Threads (NPT)- 1/4 Inch Push On Male Terminals* Hardware Not Included* Sold Individually* Warranty On Pressure Switches Against Defects...$12.99 -
Model 811-EV 12-24V Electric Solenoid Air Valve
WOLO MANUFACTURING
$24.993.25 X 1.5 X 2.5 Inch Electric Solenoid Valve For WOLO Train Horns * High Quality Air Valve* Voltage: 12-Volts* Current: 3.4A At 12 Vdc* Hose Fittings: 1/4 Inch Brass* Size: - Length 3-1/4 Inch- Width 1-1/2 Inch- Height 2-1/2 Inch* Sold Individually*...$24.99 -
Model 807-RT 3.5 Liter 150 PSI Black Painted Steel Air Storage Tank
WOLO MANUFACTURING
$133.9913 X 5 X 5.5 Inch 150 PSI Black Painted Steel Air Storage Tank * High Quality Air Valve* Capacity: 3.5 Liter* Fittings: Brass* Maximum Pressure: 150 PSI* All Steel Painted Black* Size: - Length 13 Inch- Width 5 Inch- Height 5-1/2 Inch* Sold Individually*...$133.99 -
Model 806-RT 2.5 Liter 150 PSI Black Painted Steel Air Storage Tank
WOLO MANUFACTURING
$58.998.5 X 5 X 5.5 Inch 150 PSI Black Painted Steel Air Storage Tank * High Quality Air Tank* Made Of Steel * Capacity: 2.5 Liter * Fittings: Brass * Maximum Pressure: 150 PSI* Painted Black * Size: - Length 8 Inch - Width 5 Inch - Height 5-1/2 Inch* Sold...$58.99 -
High Pressure Compressor 12-Volt 1.38 CFM
WOLO MANUFACTURING
$123.9912-Volt 12 Amp 120 PSI High Pressure Compressor * High Quality Compressor- Voltage: 12 Volts- Current: 10 Amps- Fitting 1/4 Inch Diameter- CFM 1.38- Maximum Pressure: 120 PSI- 6 1/8 Inch Length- 3 1/2 Inch Width- 5 1/8 Inch Height- Oil-Less- Gearless...$123.99 -
Model 365 The Enforcer 12V 20 Watt Emergency Siren - Police Wailer, Fire Truck High-Low, Ambulance Euro Siren
WOLO MANUFACTURING
$52.995 X 5.5 X 6 Inch 20 Watt 12V 2 Amp Emergency Siren * High Quality Emergency Siren* 12-Volt* Current: 2-Amps* 20-Watts* Controller Size: - Length 1 Inch- Width 2-1/4 Inch- Height 1-3/4 Inch* Speaker: Plastic* Speaker Size: - Length 5 Inch - Width 5-1/2...$52.99