Moog 681 Drive Shaft Coupler

Brand Moog 681
Fits Cadillac, Lincoln, and Ford · 19 vehicles

OE replacement. Restores ride quality and reduces noise, vibration and harshness.

Premium grade. A driveline coupler built as a replacement for worn OE parts.

Drive shaft coupler for driveline and axle applications.

Cross-references 20990073 and XW4Z4782AB for the same application. See all 2.

$121.05Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $121.05
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Drive Shaft Coupler for OE-Style Driveline Repair

The MOOG 681 drive shaft coupler is a premium driveline replacement built to restore ride quality and reduce noise, vibration, and harshness from a worn coupler. It is a direct-fit driveline and axle component for select Cadillac CTS, Lincoln LS, and Ford Thunderbird applications.

Key Features

  • Premium-grade drive shaft coupler for driveline service
  • Helps restore smoother power transfer through the driveline
  • Addresses noise, vibration, and harshness caused by deteriorated OE couplers
  • Designed as a replacement for worn or damaged factory couplers
  • Compatible with select 2000-2014 Cadillac CTS, Lincoln LS, and Ford Thunderbird applications

Detailed Description

MOOG part number 681 is a drive shaft coupler engineered for driveline repair where the original coupler has worn, cracked, or deteriorated. By replacing the failed OE coupler, this premium driveline component helps bring back more consistent ride quality and quieter operation. It is a practical choice for owners servicing a 2011-2014 Cadillac CTS, 2004-2007 Cadillac CTS, 2000-2006 Lincoln LS, or 2002-2005 Ford Thunderbird.

This part cross-references 20990073 and XW4Z4782AB for the same application.

What It Helps Fix

  • Driveline vibration felt during acceleration or cruising
  • Clunking or knocking noises from a worn coupler
  • Excessive noise, vibration, and harshness in the cabin
  • Loss of smooth driveline engagement caused by deteriorated OE rubber or coupling material
  • Service issues tied to aging factory drive shaft couplers

Installation Notes and Tips

Verify the vehicle application by year, make, and model before installation. Inspect the surrounding driveline components, including the drive shaft and adjacent mounts, for wear or damage that could affect repair results. Proper alignment and torque procedures should be followed during installation to help ensure correct driveline operation.

Quality Assurance

MOOG premium driveline couplers are built for replacement service where OE couplers have worn out over time. The design focus is on restoring driveline smoothness and reducing unwanted vibration and noise in the affected vehicle applications.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2014CadillacCTSN/AFits various makes and models of vehicles.
2013CadillacCTSN/AFits various makes and models of vehicles.
2012CadillacCTSN/AFits various makes and models of vehicles.
2011CadillacCTSN/AFits various makes and models of vehicles.
2007CadillacCTSN/AFits various makes and models of vehicles.
2006CadillacCTSN/AFits various makes and models of vehicles.
2006LincolnLSN/AFits various makes and models of vehicles.
2005CadillacCTSN/AFits various makes and models of vehicles.
2005FordThunderbirdN/AFits various makes and models of vehicles.
2005LincolnLSN/AFits various makes and models of vehicles.
2004CadillacCTSN/AFits various makes and models of vehicles.
2004FordThunderbirdN/AFits various makes and models of vehicles.
2004LincolnLSN/AFits various makes and models of vehicles.
2003FordThunderbirdN/AFits various makes and models of vehicles.
2003LincolnLSN/AFits various makes and models of vehicles.
2002FordThunderbirdN/AFits various makes and models of vehicles.
2002LincolnLSN/AFits various makes and models of vehicles.
2001LincolnLSN/AFits various makes and models of vehicles.
2000LincolnLSN/AFits various makes and models of vehicles.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
20990073XW4Z4782AB