High Performance Vacuum Pump Engine Brake Replacement for Mercedes Benz R320 S350 GL320 ML350 E320. Durable Construction With Reliable Fit For Models From 07-13 Years. Essential Upgrade For Smoother Engine Braking And Enhanced Driving Safety On The Road

Mercedes Engine Brake Pump Swap for W251 W211 X164 SUVs
✔️ OEM Fitment A6422300165 Painted Finish Direct Replacement 1pc

This handy vacuum pump replaces your factory engine brake actuator to restore smooth hill descent control and consistent stopping power. Mechanics install it on Mercedes R Class, E Class, and ML GL SUV platforms to fix spongy pedal feel and improve everyday highway safety. You get a solid one piece package that bolts right into place and handles demanding road conditions without fuss.

✅ Fits Mercedes models from 07 to 13 without modifications
✅ Meets industry standards for seamless installation and performance
✅ Includes direct replacement unit ready for immediate mechanical swap

💡 Why do engine brake pumps wear out faster on newer SUV models?
A failing vacuum actuator typically struggles to maintain consistent brake assist pressure during extended downhill driving.
- Regular inspection of internal seals stops air leaks that cause sluggish pedal response and longer stopping distances.
- Upgrading to a straight fit model restores factory modulation levels while keeping ABS and stability systems fully active.
- Proper seal compatibility prevents fluid loss and maintains steady hydraulic pressure across varied terrain and weather conditions.

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