Monroe 66178 Shock Absorber

Buyer fitment guide only intended as reference. Please use catalogue search by vehicle to ensure proper fitment.

• Gabriel 83023
• Ford 12010012
• Western Star 12010012
• Mack 12010012
• FREIGHTLINER 12010012
• Kenworth 12010012
• Peterbilt 12010012
• VOLVO / WHITE / GMC 12010012
• OEM 12020012
• Freightliner Trucks 12010012
• Volvo GM Heavy Truck 12010012
• Gold Shock Absorber 9151306
• Automann A83023
• Meritor M83023
• Haldex SA66178
• NAPA Shocks 66178
• Fleetrite AMS66178

• IMPROVES PERFORMANCE -- Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
• FOR HARDWORKING COMMERCIAL VEHICLES -- Designed to handle the demands of high mileage and severe use class 6-8 trucks and buses
• BUILT TO LAST -- Robust hydraulic lock-out prevents over extension of air bags, top-out of the piston and averts damage to seal assembly (most applications)
• CONSISTENT RIDE -- All-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown while larger 2-3/8-in. reserve tube holds more fluid to improve performance (most applications)
• EXCEPTIONAL HANDLING -- 10-Stage valving, tuned specifically to each vehicle, adjusts to road extremes while the larger 1-3/4-in. bore provides more efficient damping control to provide consistency and a smooth ride (most applications)
• LONGER SERVICE LIFE -- Bearing with PTFE coating reduces friction between rod and rod guide combined with nitrocarburized piston rod provides durability and longer service life (most applications)
• REDUCED NOISE, VIBRATION AND HARSHNESS -- Delivers exceptional control and isolates impact-related noise, vibration and harshness under most driving conditions
• BUY WITH CONFIDENCE -- Comes with Monroe€™s 90-day Risk Free Ride Offer and Limited Commercial Warranty
• STRONG AND DURABLE -- Shouldered bushing and bonded bushing with sleeve protects from bushing walkout for improved quality; arc welds up to 360° for durability
• INSTALLERS ADVANTAGE -- Designed to save time, simplify the job, fix OE design issues, solve customer complaints or enhances durability and longevity
• The Monroe© Magnum© shock absorber for class 6-8 vehicles is the first gas-charged, large-bore shock for air spring and taper leaf suspensions. The nitrogen gas charge provides the fast response essential for today€™s heavy-duty truck suspension systems.

2 Year Warranty on most shocks and struts (Econo Matic 2 year 24,000 Mile/40,000 KM). 1-Year on mounting kits and springs. 90 Days on most other items. Call us, or see Monroe website for details.