The Monroe® Magnum® Hood Damper is a gas-charged unit designed for heavy-duty cab suspensions, utilizing velocity-sensitive valving to deliver a new standard of control and comfort on the road (most applications).

Engineered for high mileage and severe use International commercial trucks, the Magnum Hood Damper isolates vibration and harshness for a more comfortable ride, backed by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.

• For Hardworking Commercial Vehicles: Designed for high mileage and severe use vehicles with cab suspensions.
• Consistent Ride: All-weather fluid with special additives handles extreme temperatures; larger 2-in. reserve tube holds more fluid (when required).
• Exceptional Handling: 10-Stage valving tuned per vehicle; larger 1-3/8-in. bore provides more efficient and consistent control (most applications).
• Strong and Durable: Shouldered and bonded bushing with sleeve prevents bushing walkout; arc welds up to 360° for durability.
• Longer Service Life: PTFE-coated bearing and nitrocarburized piston rod for durability and extended service life (most applications).
• Reduced NVH: Exceptional control isolating impact-related noise, vibration, and harshness under most driving conditions.
• Improves Performance: Nitrogen gas-charge maintains tire-to-road contact by reducing aeration and shock fade.
• Buy with Confidence: Comes with Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.

Common Fits: International HX520 (2018-2024), International RH613 (2018-2024), International LT625 (2017-2024), International WorkStar 7600 (2013-2019), International 8100 (1998-2003), International 8600 SBA (2003-2007), International 8600 TranStar (2008-2018), International 9100 SBA (1998-1999), International 9100i SBA (2000-2003).

---

Cross References:
Navistar: 3501427C1, NAPA Shocks: 66138, Bulldog HD: HD11120159, Genuine Newstar: S24896, Gabriel: 619501, Navistar: 4170820C1, S&S Truck Parts: S24896, Fleetrite: AMS66138, 66138

---

UPC:

048598036902

Mfr Part Number:

66138

Country of origin (CO):

CN

Lower Mount Code48:

LS125

Upper Mount Code74:

LS125

Lower Mount Type49:

Loop Bushing and Sleeve Mount - 10mm Sleeve ID X 1 3/16" Sleeve OAL

Upper Mount Type75:

Loop Bushing and Sleeve Mount - 10mm Sleeve ID X 1 3/16" Sleeve OAL

Compressed Length28:

19.7188 IN

Dust Shield Included32:

No

Extended Length36:

32.7344 IN

Grade Type40:

Premium

Hydraulic Lockout41:

No

Includes Bump Stop42:

No

Internal Rebound Bumper45:

Yes

Shock Absorber Body End Measuring Point63:

Center of Loop

Shock Absorber Rod End Measuring Point64:

Center of Loop

Travel Length72:

13.015 IN