Motormite 85821 Turn Signal Light Socket
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Motormite

Motormite 85821 Turn Signal Light Socket

Brand Motormite 85821
Overall Length 13 in with wire (2 in without)
Package Contents Twist-lock Tail and Stop Light Socket
Terminal Design Socket
Terminal Gender Female
Terminal Material Plastic
Water Resistant No
Wire Pigtail Included Yes
Wire Quantity 3
Fits Cadillac, Oldsmobile, and Buick · 20 vehicles

OE-style fit. Matches the original socket's fit and function for straightforward replacement.

Durable construction. Engineered for reliable performance in everyday electrical use.

Wire pigtail included. Ready for a cleaner, easier socket replacement.

Cross-references Dorman - HELP 82013, 2572F and 784867 for the same application. See all 4.

$21.61Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $21.61
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Turn Signal Light Socket options

Turn Signal Light Socket Replacement

Restore a reliable electrical connection with this Motormite turn signal light socket, part number 85821. It is built to match the fit and function of the original socket on specified vehicles, with a 3-wire female design and a wire pigtail for service replacement.

  • 3-wire female socket construction
  • Twist-lock tail and stop light socket design
  • Wire pigtail included for repair work
  • Overall length: 13 in. with wire, 2 in. without
  • Plastic terminal material

OE-Style Fit and Function

Motormite 85821 is made for direct replacement use where the original turn signal light socket has worn, corroded, or failed. The socket is engineered for durability and dependable electrical performance, and it matches the original style used on applications such as 1973 Cadillac DeVille, 1973 Cadillac Eldorado, 1973 Cadillac Fleetwood, 1970-1973 Oldsmobile 98, 1973 Oldsmobile Delta 88, 1969-1972 Buick Skylark, 1968-1970 Buick LeSabre, 1968-1970 Buick Riviera, and 1969-1970 Oldsmobile Toronado. This part cross-references Dorman - HELP 82013 for the same application.

Common Repair Uses

  • Intermittent or failed turn signal operation caused by a damaged socket
  • Loose bulb retention from worn socket terminals
  • Corrosion or heat damage at the original light connector
  • Broken wiring at the rear lamp or parking light socket
  • Electrical contact issues in a 3-wire female parking light bulb socket setup

Installation Notes

Compare the terminals on the original socket before installation to confirm the 3-wire female configuration and correct application. The twist-lock design is intended for vehicles using this style of tail and stop light socket. Verify wire routing and connector condition during replacement, and inspect the bulb and surrounding harness for heat damage or corrosion before final assembly.

Quality Assurance

This Motormite replacement socket is built to match original fit and function and is engineered for durable, reliable performance in specified vehicle applications. Part number 85821 is a service replacement option for restoring proper lighting circuit connection.

Related reading

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1973CadillacDeVilleN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1973CadillacEldoradoN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1973CadillacFleetwoodN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1973Oldsmobile98N/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1973OldsmobileDelta 88N/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1972BuickSkylarkN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1972Oldsmobile98N/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1971BuickSkylarkN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1971Oldsmobile98N/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1970BuickLeSabreN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1970BuickRivieraN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1970BuickSkylarkN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1970Oldsmobile98N/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1970OldsmobileToronadoN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1969BuickLeSabreN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1969BuickRivieraN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1969BuickSkylarkN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1969OldsmobileToronadoN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1968BuickLeSabreN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1968BuickRivieraN/AEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 820132572F7848678902485