1978 Cadillac Eldorado Parts

TCI

PRO-X GM TH400 Transmission

Part Number: 890-212507PX1

Ships on 11/20/2026

Free shipping

^$9,111⁹⁵

REPOPS

Hood Insulation for 1979-1985 Cadillac El Dorado

Part Number: 629-CC178

^$38¹⁰

REPOPS

Hood Insulation for 1979-1985 Cadillac El Dorado

Part Number: 629-CC178

^$38¹⁰

MSD IGNITION

Distributor Cap GM V8 HEI

Part Number: 121-8411

^$57²⁹

MSD IGNITION

Distributor Cap GM V8 HEI

Part Number: 121-8411

^$57²⁹

MSD IGNITION

Distributor Cap and Rotor Kit for 1975-1990 GM HEI Distributors [Red]

Part Number: 121-8416

^$51⁹⁵

MSD IGNITION

Distributor Cap and Rotor Kit for 1975-1990 GM HEI Distributors [Red]

Part Number: 121-8416

^$51⁹⁵

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

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

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

GATES

Fuel Cap Cap Depth 2.61 in.

Part Number: 465-31778

^$22⁸¹

GATES

Fuel Cap Cap Depth 2.61 in.

Part Number: 465-31778

^$22⁸¹

OER

270210 Molding Clip Set for 1972-85 GM

Part Number: 691-270210

^$9⁹⁹

OER

270210 Molding Clip Set for 1972-85 GM

Part Number: 691-270210

^$9⁹⁹

CLEVITE MAHLE

Rear Main Seal Set 1968-1984 Cadillac 368/425/472/500

Part Number: 695-JV600

^$9³⁸$10.43

YOU SAVE

$1.05

Ships on 11/24/2026

CLEVITE MAHLE

Rear Main Seal Set 1968-1984 Cadillac 368/425/472/500

Part Number: 695-JV600

Ships on 11/24/2026

^$9³⁸ $10.43

YOU SAVE

$1.05

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

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

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

MR GASKET

51203NG 1-Wire Alternator for GM Single V-Belt [140 AMP, Natural Finish]

Part Number: 720-51203NG

^$239⁹⁵

MR GASKET

51203NG 1-Wire Alternator for GM Single V-Belt [140 AMP, Natural Finish]

Part Number: 720-51203NG

^$239⁹⁵

HAYS

Twister 3/4 Race Torque Converter

Part Number: 490-97-1D24Q

^$571⁹⁵

HAYS

Twister 3/4 Race Torque Converter

Part Number: 490-97-1D24Q

^$571⁹⁵

MCGARD

24130 Locking Lug Nuts, Chrome Cone Seat Style Thread Size: 1/2-20 Key Hex Size: Dual Includes 4 Lug Nuts & 1 Key

Part Number: 671-24130

^$22⁹⁹

MCGARD

24130 Locking Lug Nuts, Chrome Cone Seat Style Thread Size: 1/2-20 Key Hex Size: Dual Includes 4 Lug Nuts & 1 Key

Part Number: 671-24130

^$22⁹⁹

COMP CAMS

Beehive Valve Spring Small Block Chevy

Part Number: 249-26981-16

^$256⁹⁵

COMP CAMS

Beehive Valve Spring Small Block Chevy

Part Number: 249-26981-16

^$256⁹⁵

EDELBROCK

Transmission Throttle Valve (TV) Cable Adapter

Part Number: 350-8026

^$19⁹⁵

Ships on 11/04/2026

EDELBROCK

Transmission Throttle Valve (TV) Cable Adapter

Part Number: 350-8026

Ships on 11/04/2026

^$19⁹⁵

DORMAN PRODUCTS

65274 Metal/Rubber Drain Plug Gasket, Fits 1/2, M12, M12 So; AM/Buick/Cadillac/Chevrolet/GMC/Isuzu/Oldsmobile/Pontiac

Part Number: 326-65274

^$4⁴⁶

DORMAN PRODUCTS

65274 Metal/Rubber Drain Plug Gasket, Fits 1/2, M12, M12 So; AM/Buick/Cadillac/Chevrolet/GMC/Isuzu/Oldsmobile/Pontiac

Part Number: 326-65274

^$4⁴⁶

DYNAMIC FRICTION

340-47011 Disc Brake Hardware Kit, 1967-2002 GM, Position: Front

Part Number: 328-340-47011

^$7⁵⁵

DYNAMIC FRICTION

340-47011 Disc Brake Hardware Kit, 1967-2002 GM, Position: Front

Part Number: 328-340-47011

^$7⁵⁵

DORMAN PRODUCTS

Bleeder Screws 3/8"-24 x 1-1/4" AMC/Chrysler/Ford/GM/Jeep

Part Number: 326-13901

^$4⁹⁹

DORMAN PRODUCTS

Bleeder Screws 3/8"-24 x 1-1/4" AMC/Chrysler/Ford/GM/Jeep

Part Number: 326-13901

^$4⁹⁹

DORMAN PRODUCTS

Side Marker Light Bulb 194 White 5050SMD 5LED

Part Number: 326-194W-SMD

^$11⁹⁹

DORMAN PRODUCTS

Side Marker Light Bulb 194 White 5050SMD 5LED

Part Number: 326-194W-SMD

^$11⁹⁹

POWERMASTER

GM 12si-Style Alternator Chrome

Part Number: 713-17294

^$166⁹⁹

POWERMASTER

GM 12si-Style Alternator Chrome

Part Number: 713-17294

^$166⁹⁹

TCI

Pressure Regulator Spring GM TH400

Part Number: 890-224300

^$19⁵⁷$25.95

YOU SAVE

$6.38

TCI

Pressure Regulator Spring GM TH400

Part Number: 890-224300