Transmission For Mercedes 420

Transmission For Mercedes 420. Experiencing harsh shifting, delayed engagement, or slipping gears in your Mercedes 420SEL? These signs point to a failing transmission—a common issue in older luxury vehicles. At First Used Auto Parts, we offer OEM-quality used transmissions for the Mercedes-Benz 420 lineup, particularly the legendary 420SEL (W126), at a price far below dealership or rebuild costs.

We provide nationwide shipping, with fast delivery available throughout California, including Los Angeles, Fresno, Sacramento, and beyond.

🚗 Why Choose a Used Mercedes 420 Transmission? Transmission For Mercedes 420.

✅ Cost-Effective Solution for a Classic

The 420SEL is a timeless full-size luxury sedan with a powerful 4.2L V8 (M116 engine). Replacing its transmission with a remanufactured or new unit can be expensive or hard to source. A used OEM transmission is a reliable, budget-friendly solution.

✅ OEM-Tested & Inspected

We only sell inspected, cleaned, and tested transmissions from trusted salvage partners. Each unit is evaluated to ensure it delivers smooth performance and long-term reliability.

✅ Fits the W126 420SEL (1986–1991)

The 420SEL typically came equipped with the 722.3 4-speed automatic transmission, used widely across V8-powered Mercedes models from that era. We’ll help match:

• Correct transmission code (usually 722.321 or similar)

• Rear-wheel drive configuration

• Engine compatibility (4.2L M116 V8)

✅ Warranty Included

Every used transmission comes with a limited warranty, giving you added confidence with your purchase.

🔍 How to Find the Right Transmission for Your Mercedes 420

Step 1: Know your exact model and year—most commonly 1986–1991 Mercedes 420SEL (W126).Step 2: Contact our expert team or browse online—we’ll match the correct transmission variant.Step 3: Receive a fast quote and schedule safe, insured shipping to your location or mechanic.

🌎 Fast Shipping Across California & the U.S.

No matter where you’re located—from Los Angeles to Houston—we offer fast, reliable shipping for your replacement transmission. Need help with installation? We can recommend trusted mechanics who specialize in vintage Mercedes models.

🔧 Why Buy from First Used Auto Parts?

• 💲 Affordable OEM Transmissions – Save big over rebuilds or dealership parts

• 🚚 Nationwide Shipping – Fast, safe delivery to your door or repair shop

• 🧑‍🔧 Expert Assistance – Our team helps ensure perfect fitment

• ✅ Warranty Coverage – Buy with peace of mind

🛒 Order Your Used Mercedes 420 Transmission Today!

Your Mercedes 420SEL was built for comfort, power, and timeless style—don’t let a failing transmission keep it off the road. Trust First Used Auto Parts for a tested, warrantied transmission that gets your V8 Benz back to its best.

📞 Call today or request a free quote online to get your used Mercedes 420 transmission—fast, affordable, and hassle-free.