1984-88 GM PN 20442185 (discontinued)
Same motor used both sides as there is only one part number.
Motor connector changed at some point (86 I think)

NOS on eBay
https://www.ebay.com/itm/19...442185-/283956176820

Below is listed a vehicle cross reference from GM Parts.
I snagged a pair of working motors off a 1988 Cadillac Deville.
Wire harness is a little longer but the wire colors and connectors were the same as my 87 GT.

Cadillac Deville 4.1L Cadillac V8 A/T Base Coupe 1985, 1987
Cadillac Deville 4.1L Cadillac V8 A/T Base Sedan 1985, 1987
Cadillac Deville 4.1L Cadillac V8 A/T Cabriolet Coupe 1985
Cadillac Deville 4.1L Cadillac V8 A/T d'Elegance Coupe 1985, 1986, 1987
Cadillac Deville 4.1L Cadillac V8 A/T d'Elegance Sedan 1985, 1986, 1987
Cadillac Deville 4.1L Cadillac V8 A/T Touring Coupe 1986, 1987
Cadillac Deville 4.1L Cadillac V8 A/T Touring Sedan 1986, 1987
Cadillac Deville 4.3L Oldsmobile V6 DIESEL A/T Base Coupe 1985
Cadillac Deville 4.3L Oldsmobile V6 DIESEL A/T Base Sedan 1985
Cadillac Deville 4.3L Oldsmobile V6 DIESEL A/T Cabriolet Coupe 1985
Cadillac Deville 4.3L Oldsmobile V6 DIESEL A/T d'Elegance Coupe 1985
Cadillac Deville 4.3L Oldsmobile V6 DIESEL A/T d'Elegance Sedan 1985
Cadillac Deville 4.5L Cadillac V8 A/T Base Coupe 1988, 1989
Cadillac Deville 4.5L Cadillac V8 A/T Base Sedan 1988, 1989
Cadillac Fleetwood 4.1L Cadillac V8 A/T FWD 75 Formal Limousine 1985, 1986
Cadillac Fleetwood 4.1L Cadillac V8 A/T FWD 75 Limousine 1985, 1986
Cadillac Fleetwood 4.1L Cadillac V8 A/T FWD Base Coupe 1985
Cadillac Fleetwood 4.1L Cadillac V8 A/T FWD Base Limousine 1986
Cadillac Fleetwood 4.1L Cadillac V8 A/T FWD Base Sedan 1985
Cadillac Fleetwood 4.1L Cadillac V8 A/T FWD d'Elegance Coupe 1985
Cadillac Fleetwood 4.1L Cadillac V8 A/T FWD d'Elegance Sedan 1985
Cadillac Fleetwood 4.1L Cadillac V8 A/T RWD Brougham Coupe 1985
Cadillac Fleetwood 4.1L Cadillac V8 A/T RWD Brougham d'Elegance Coupe 1985
Cadillac Fleetwood 4.1L Cadillac V8 A/T RWD Brougham d'Elegance Sedan 1985
Cadillac Fleetwood 4.1L Cadillac V8 A/T RWD Brougham Sedan 1985
Cadillac Fleetwood 4.3L Oldsmobile V6 DIESEL A/T FWD 75 Formal Limousine 1985
Cadillac Fleetwood 4.3L Oldsmobile V6 DIESEL A/T FWD 75 Limousine 1985
Cadillac Fleetwood 4.3L Oldsmobile V6 DIESEL A/T FWD Base Coupe 1985
Cadillac Fleetwood 4.3L Oldsmobile V6 DIESEL A/T FWD Base Sedan 1985
Cadillac Fleetwood 4.3L Oldsmobile V6 DIESEL A/T FWD d'Elegance Coupe 1985
Cadillac Fleetwood 4.3L Oldsmobile V6 DIESEL A/T FWD d'Elegance Sedan 1985
Cadillac Fleetwood 4.5L Cadillac V8 A/T Base Coupe 1989
Cadillac Fleetwood 4.5L Cadillac V8 A/T Base Sedan 1989
Cadillac Fleetwood 4.5L Cadillac V8 A/T d'Elegance Coupe 1989
Cadillac Fleetwood 4.5L Cadillac V8 A/T d'Elegance Sedan 1989
Chevrolet Camaro 2.5L Pontiac A/T Sport Coupe 1985, 1986
Chevrolet Camaro 2.5L Pontiac M/T Sport Coupe 1985, 1986
Chevrolet Camaro 2.8L Chevrolet V6 A/T Base Convertible 1988
Chevrolet Camaro 2.8L Chevrolet V6 A/T Base Coupe 1988
Chevrolet Camaro 2.8L Chevrolet V6 A/T Berlinetta Coupe 1985, 1986
Chevrolet Camaro 2.8L Chevrolet V6 A/T LT Convertible 1987
Chevrolet Camaro 2.8L Chevrolet V6 A/T LT Coupe 1987
Chevrolet Camaro 2.8L Chevrolet V6 A/T RS Convertible 1989
Chevrolet Camaro 2.8L Chevrolet V6 A/T RS Coupe 1989
Chevrolet Camaro 2.8L Chevrolet V6 A/T Sport Convertible 1987
Chevrolet Camaro 2.8L Chevrolet V6 A/T Sport Coupe 1985, 1986, 1987
Chevrolet Camaro 2.8L Chevrolet V6 M/T Base Convertible 1988
Chevrolet Camaro 2.8L Chevrolet V6 M/T Base Coupe 1988
Chevrolet Camaro 2.8L Chevrolet V6 M/T Berlinetta Coupe 1985, 1986
Chevrolet Camaro 2.8L Chevrolet V6 M/T LT Convertible 1987
Chevrolet Camaro 2.8L Chevrolet V6 M/T LT Coupe 1987
Chevrolet Camaro 2.8L Chevrolet V6 M/T RS Convertible 1989
Chevrolet Camaro 2.8L Chevrolet V6 M/T RS Coupe 1989
Chevrolet Camaro 2.8L Chevrolet V6 M/T Sport Convertible 1987
Chevrolet Camaro 2.8L Chevrolet V6 M/T Sport Coupe 1985, 1986, 1987
Chevrolet Camaro 5.0L Chevrolet V8 A/T Base Convertible 1988
Chevrolet Camaro 5.0L Chevrolet V8 A/T Base Coupe 1988
Chevrolet Camaro 5.0L Chevrolet V8 A/T Berlinetta Coupe 1985, 1986
Chevrolet Camaro 5.0L Chevrolet V8 A/T Iroc-Z Convertible 1987, 1988, 1989
Chevrolet Camaro 5.0L Chevrolet V8 A/T Iroc-Z Coupe 1985, 1986, 1987, 1988, 1989
Chevrolet Camaro 5.0L Chevrolet V8 A/T LT Convertible 1987
Chevrolet Camaro 5.0L Chevrolet V8 A/T LT Coupe 1987
Chevrolet Camaro 5.0L Chevrolet V8 A/T RS Convertible 1989
Chevrolet Camaro 5.0L Chevrolet V8 A/T RS Coupe 1989
Chevrolet Camaro 5.0L Chevrolet V8 A/T Sport Convertible 1987
Chevrolet Camaro 5.0L Chevrolet V8 A/T Sport Coupe 1985, 1986, 1987
Chevrolet Camaro 5.0L Chevrolet V8 A/T Z28 Convertible 1987
Chevrolet Camaro 5.0L Chevrolet V8 A/T Z28 Coupe 1985, 1986, 1987
Chevrolet Camaro 5.0L Chevrolet V8 A/T Z28 Iroc-Z Convertible 1987
Chevrolet Camaro 5.0L Chevrolet V8 A/T Z28 Iroc-Z Coupe 1986, 1987
Chevrolet Camaro 5.0L Chevrolet V8 M/T Base Convertible 1988
Chevrolet Camaro 5.0L Chevrolet V8 M/T Base Coupe 1988
Chevrolet Camaro 5.0L Chevrolet V8 M/T Berlinetta Coupe 1985, 1986
Chevrolet Camaro 5.0L Chevrolet V8 M/T Iroc-Z Convertible 1987, 1988, 1989
Chevrolet Camaro 5.0L Chevrolet V8 M/T Iroc-Z Coupe 1985, 1986, 1987, 1988, 1989
Chevrolet Camaro 5.0L Chevrolet V8 M/T LT Convertible 1987
Chevrolet Camaro 5.0L Chevrolet V8 M/T LT Coupe 1987
Chevrolet Camaro 5.0L Chevrolet V8 M/T RS Convertible 1989
Chevrolet Camaro 5.0L Chevrolet V8 M/T RS Coupe 1989
Chevrolet Camaro 5.0L Chevrolet V8 M/T Sport Convertible 1987
Chevrolet Camaro 5.0L Chevrolet V8 M/T Sport Coupe 1985, 1986, 1987
Chevrolet Camaro 5.0L Chevrolet V8 M/T Z28 Convertible 1987
Chevrolet Camaro 5.0L Chevrolet V8 M/T Z28 Coupe 1985, 1986, 1987
Chevrolet Camaro 5.0L Chevrolet V8 M/T Z28 Iroc-Z Convertible 1987
Chevrolet Camaro 5.0L Chevrolet V8 M/T Z28 Iroc-Z Coupe 1986, 1987
Chevrolet Camaro 5.7L Chevrolet V8 A/T Iroc-Z Convertible 1987, 1988, 1989
Chevrolet Camaro 5.7L Chevrolet V8 A/T Iroc-Z Coupe 1987, 1988, 1989
Chevrolet Camaro 5.7L Chevrolet V8 A/T Z28 Iroc-Z Convertible 1987
Chevrolet Camaro 5.7L Chevrolet V8 A/T Z28 Iroc-Z Coupe 1987
Chevrolet Camaro 5.7L Chevrolet V8 M/T Iroc-Z Convertible 1987, 1988, 1989
Chevrolet Camaro 5.7L Chevrolet V8 M/T Iroc-Z Coupe 1987, 1988, 1989
Chevrolet Camaro 5.7L Chevrolet V8 M/T Z28 Iroc-Z Convertible 1987
Chevrolet Camaro 5.7L Chevrolet V8 M/T Z28 Iroc-Z Coupe 1987
Oldsmobile 98 3.0L Buick V6 A/T Regency Sedan 1985
Oldsmobile 98 3.8L Buick V6 A/T Regency Brougham Sedan 1985, 1986, 1987
Oldsmobile 98 3.8L Buick V6 A/T Regency Grande Sedan 1987
Oldsmobile 98 3.8L Buick V6 A/T Regency Sedan 1985, 1986
Oldsmobile 98 4.3L Oldsmobile V6 DIESEL A/T Regency Brougham Sedan 1985
Oldsmobile 98 4.3L Oldsmobile V6 DIESEL A/T Regency Sedan 1985

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My World of Wheels Winners (Click on links below)

3.4L Supercharged 87 GT and Super Duty 4 Indy #163

[This message has been edited by fierosound (edited 04-18-2022).]