1973 Buick Riviera Parts

TCI

PRO-X GM TH400 Transmission

Part Number: 890-212507PX1

Ships on 11/20/2026

Free shipping

^$9,111⁹⁵

CHAMPION SPARK PLUGS

7018 Double Platinum RV17PMP4 Spark Plug

Part Number: 192-7018

^$10⁹⁹

CHAMPION SPARK PLUGS

7018 Double Platinum RV17PMP4 Spark Plug

Part Number: 192-7018

^$10⁹⁹

CRAGAR

61C S/S Direct Drill Chrome Wheel Size: 15" x 8"

Part Number: 260-61C585042

^$346⁸⁷

CRAGAR

61C S/S Direct Drill Chrome Wheel Size: 15" x 8"

Part Number: 260-61C585042

^$346⁸⁷

TRANS GO

Reprogramming Kit TH400

Part Number: 887-400-1/2

^$95⁰¹$105.57

YOU SAVE

$10.56

TRANS GO

Reprogramming Kit TH400

Part Number: 887-400-1/2

^$95⁰¹ $105.57

YOU SAVE

$10.56

DELPHI

FA10028 Fuel Tank Lock Ring [Steel]

Part Number: 117-FA10028

^$10⁹⁹

DELPHI

FA10028 Fuel Tank Lock Ring [Steel]

Part Number: 117-FA10028

^$10⁹⁹

MOOG

Axle U-Joint

Part Number: 719-534G

^$25⁹⁹

MOOG

Axle U-Joint

Part Number: 719-534G

^$25⁹⁹

MALLORY

Mallory E-Spark Conversion Kit 8-Cylinder

Part Number: 650-61001M

^$169⁹⁵

MALLORY

Mallory E-Spark Conversion Kit 8-Cylinder

Part Number: 650-61001M

^$169⁹⁵

TCI

Transmission Thrust Washer Kit 1966-91 GM TH400

Part Number: 890-243600

^$47⁹⁵

TCI

Transmission Thrust Washer Kit 1966-91 GM TH400

Part Number: 890-243600

^$47⁹⁵

B&M

Kickdown Switch Kit GM TH400

Part Number: 130-20297

^$103⁹⁵

B&M

Kickdown Switch Kit GM TH400

Part Number: 130-20297

^$103⁹⁵

B&M

Shift Improver Kit 1965-1987 GM TH400/TH375/M40

Part Number: 130-20260

^$77¹⁵

B&M

Shift Improver Kit 1965-1987 GM TH400/TH375/M40

Part Number: 130-20260

^$77¹⁵

B&M

Tork Master 2000 Torque Converter 1965-1991 GM TH375, TH400 & TH425

Part Number: 130-20400

^$349⁹⁵

B&M

Tork Master 2000 Torque Converter 1965-1991 GM TH375, TH400 & TH425

Part Number: 130-20400

^$349⁹⁵

CHAMPION COOLING SYSTEMS

All-Aluminum Radiator for Select 1965-1986 GM Vehicles with Automatic Transmission

Part Number: 166-CC161

^$284⁹⁸

CHAMPION COOLING SYSTEMS

All-Aluminum Radiator for Select 1965-1986 GM Vehicles with Automatic Transmission

Part Number: 166-CC161

^$284⁹⁸

DYNAMIC FRICTION

7284-47047 Drilled/Slotted Rotors w/Heavy-Duty Brake Pads/Drums/Shoes/Hardware/Adjusters [Silver], 1971-1976 GM, Position: Front

Part Number: 328-7284-47047

^$801²²

DYNAMIC FRICTION

7284-47047 Drilled/Slotted Rotors w/Heavy-Duty Brake Pads/Drums/Shoes/Hardware/Adjusters [Silver], 1971-1976 GM, Position: Front

Part Number: 328-7284-47047

^$801²²

B&M

Nitrous Holeshot 3500 Torque Converter GM TH400, TH425, TH375, TH350, TH375B (not TH350C)

Part Number: 130-20484

^$675⁹⁵

B&M

Nitrous Holeshot 3500 Torque Converter GM TH400, TH425, TH375, TH350, TH375B (not TH350C)

Part Number: 130-20484

^$675⁹⁵

GATES

33508 Thermostat for Select 1933-2008 Makes & Models [180 Degree F]

Part Number: 465-33508

^$16¹⁴

GATES

33508 Thermostat for Select 1933-2008 Makes & Models [180 Degree F]

Part Number: 465-33508

^$16¹⁴

CHAMPION SPARK PLUGS

Platinum Spark Plug

Part Number: 192-3018

^$6⁹⁹

CHAMPION SPARK PLUGS

Platinum Spark Plug

Part Number: 192-3018

^$6⁹⁹

AUTOLITE

Platinum Spark Plug

Part Number: 417-AP26

^$4⁹⁹

AUTOLITE

Platinum Spark Plug

Part Number: 417-AP26

^$4⁹⁹

B&M

Holeshot 2400 Torque Converter 1965-1991 GM TH375/TH400/TH425

Part Number: 130-20412

^$584⁹⁵

B&M

Holeshot 2400 Torque Converter 1965-1991 GM TH375/TH400/TH425

Part Number: 130-20412

^$584⁹⁵

B&M

Cast Aluminum Deep Transmission Pan GM TH400

Part Number: 130-20280

^$299⁹⁵

B&M

Cast Aluminum Deep Transmission Pan GM TH400

Part Number: 130-20280

^$299⁹⁵

COKER TIRE

Coker Classic Wide Whitewall Bias Ply Tire H78-15 ( 5.74" x 28.36" - 15" )

Part Number: 257-62855

^$303⁰⁰

COKER TIRE

Coker Classic Wide Whitewall Bias Ply Tire H78-15 ( 5.74" x 28.36" - 15" )

Part Number: 257-62855

^$303⁰⁰

COKER TIRE

Coker Classic Wide Whitewall Bias Ply Tire H78-15 ( 5.740 in. x 28.360 in. - 15 in. )

Part Number: 257-62861

^$305⁰⁰

COKER TIRE

Coker Classic Wide Whitewall Bias Ply Tire H78-15 ( 5.740 in. x 28.360 in. - 15 in. )

Part Number: 257-62861

^$305⁰⁰

CRAGAR

Nomad I Wheel Size: 15" x 7"

Part Number: 260-3105750

^$93⁶⁵

CRAGAR

Nomad I Wheel Size: 15" x 7"

Part Number: 260-3105750

^$93⁶⁵

FAST

EZ-EFI Hand-Held Upgrade Kit

Part Number: 244-170633-06KIT

^$415⁹⁵

FAST

EZ-EFI Hand-Held Upgrade Kit

Part Number: 244-170633-06KIT

^$415⁹⁵

GATES

Thermostat Universal 180 Degrees

Part Number: 465-33008

^$23⁷⁶

GATES

Thermostat Universal 180 Degrees

Part Number: 465-33008