Monroe 74409 Rear Shock Absorber – Kenworth & Peterbilt 385/387

Monroe 74409 Rear Shock Absorber – Kenworth & Peterbilt 385/387Monroe 74409 is a non gas (hydraulic) rear shock absorber with an internal hydraulic lockout, built for Kenworth Airglide 100 rear air suspension and Peterbilt tractors. Stem mounts at both ends control the rear axle and limit air bag overextension. Signs You Need a New Shock Absorber Excessive bounce or sway and a harsh, unsettled ride Longer stopping distances or front end dive under braking Cupped or uneven tire wear Visible fluid leaking from the

Fuel pressure drops rapidly after engine shutdown

0 PSI Mounting Reservoir or remote mount Applications Pre-121 trailers

Baldwin: PF7890-30

and V504-series industrial diesel engines

DT530E HEUI (1993–2003) Kit Includes

Front engine mounts are sold individually — replace BOTH sides as a pair for even load distribution

8 Groove Voltage 12 Sanden Style 4493

The valve holds fuel in the cylinder head when the engine is shut off so the next start lights off in two cranks instead of twenty

Verify your existing dryer voltage (12V vs 24V) and check-valve port size before ordering

Meritor TDARKN28060

Verify OEM part number and suspension configuration before ordering — air springs must match by dimensions and mounting configuration

Mack models specifying 4333-1658820C1