Replacement Parts

 

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Tell Us More About Your Mercury Grand Marquis. View all models

AutoZone carries hundreds of thousands of parts and accessories.

Select your Year, Make, Model and Engine to find those that fit your vehicle.

Your Mercury Grand Marquis gives you reliability like no other vehicle ever could. Its heavy-duty frame was built to last for the long haul, and it shows. Keep its insides running just as well as its outsides by installing all the components needed for a timing belt or chain replacement with AutoZone's top-quality Mercury Grand Marquis timing set.

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  •  | Page 1 of 12 |  
  • Part Number: 78521T-9
  • Warranty: 3 months
  • Notes: Includes chain. Billet steel roller 0.250". Spacer cast into sprocket hub. For older engines, discard separate cam shaft spacer.
  • Part Number: 78230
  • Warranty: 3 months
  • Notes: Includes chain. Double roller 0.222". Spacer cast into sprocket hub. For older engines, discard separate cam shaft spacer. Standard engine. Police package.
  • Part Number: 78251
  • Warranty: 3 months
  • Notes: Includes chain. Double roller 0.222". Roller type chain.
  • Part Number: 73004-3
  • Warranty: 3 months
  • Notes: Includes chain. Double roller 0.200".
  • Part Number: 73004-3
  • Warranty: 3 months
  • Notes: Includes chain. Double roller 0.200". Roller type chain.
  • Part Number: 78421
  • Warranty: 3 months
  • Notes: Gear drive set. Spacer cast into sprocket hub. For older engines, discard separate cam shaft spacer.
  • Part Number: 78420Q
  • Warranty: 3 months
  • Notes: Gear drive set - quiet.
  • Part Number: 78151
  • Warranty: 3 months
  • Application: With standard engine
  • Notes: Includes chain. Double roller .250". Spacer cast into sprocket hub. For older engines, discard separate cam shaft spacer
  • Part Number: 78530T-9
  • Warranty: 3 months
  • Notes: Includes chain. With standard engine. Billet steel roller 0.250". Spacer cast into sprocket hub. For older engines, discard separate cam shaft spacer.
  • Part Number: 78420Q
  • Warranty: 3 months
  • Notes: Gear drive set - quiet. Roller type chain.
  • Part Number: 73004-3
  • Warranty: 3 months
  • Application: With standard engine
  • Notes: Includes chain. Double roller 0.200". Spacer cast into sprocket hub. For older engines, discard separate cam shaft spacer.
  • Part Number: 78151
  • Warranty: 3 months
  • Application: With standard engine
  • Notes: Includes chain. Double roller .250". Spacer cast into sprocket hub. For older engines, discard separate cam shaft spacer
  •  | Page 1 of 12 |  

When replacing your timing chain or belt, it's always best to replace those components that surround these parts, as well due to the extensive disassembly that is involved. With our timing set for Mercury Grand Marquis, we have compiled all of the required parts-including your sprockets, tensioner, chain drive mechanisms and guides-into a simple package deal making your life a little bit easier. Come into our store today and check out our right products, right prices guarantee, while utilizing our handy Loan-a-Tool program for easy DIY installation.

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