1966 Oldsmobile 98 Parts

TCI

PRO-X GM TH400 Transmission

Part Number: 890-212507PX1

Ships on 12/10/2026

Free shipping

^$9,111⁹⁵

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

HUGHES PERFORMANCE

Replacement Gasket Set for GM TH400 Transbrake Valve Body

Part Number: 512-HP2216

^$14⁵⁷$18.99

$4.42

HUGHES PERFORMANCE

Replacement Gasket Set for GM TH400 Transbrake Valve Body

Part Number: 512-HP2216

^$14⁵⁷ $18.99

YOU SAVE

$4.42

JEGS

High-Flow 160 degree Thermostat for Pre-LT1 GM, Ford, AMC

Part Number: 555-53220

^$9⁹⁹$10.99

$1.00

JEGS

High-Flow 160 degree Thermostat for Pre-LT1 GM, Ford, AMC

Part Number: 555-53220

^$9⁹⁹ $10.99

YOU SAVE

$1.00

JEGS

Exhaust & Header Wrap 2 in. x 50 ft. x 1/16 in. Thick

Part Number: 555-32067

^$50⁹⁹$55.99

$5.00

Ships on 11/17/2026

JEGS

Exhaust & Header Wrap 2 in. x 50 ft. x 1/16 in. Thick

Part Number: 555-32067

Ships on 11/17/2026

^$50⁹⁹ $55.99

YOU SAVE

$5.00

JEGS

High-Energy Ignition Coil for Breaker Points/Non-CD Electronic Ignition Systems [Red]

Part Number: 555-40105

^$26⁹⁹$29.99

$3.00

JEGS

High-Energy Ignition Coil for Breaker Points/Non-CD Electronic Ignition Systems [Red]

Part Number: 555-40105

^$26⁹⁹ $29.99

YOU SAVE

$3.00

JEGS

8.5mm Yellow Ultra Pow'r Wires Small & Big Block Chevy Over Valve Covers or Under Headers & AMC 290-401 V8 W/HEI

Part Number: 555-40205

^$56¹⁴$58.99

$2.85

JEGS

8.5mm Yellow Ultra Pow'r Wires Small & Big Block Chevy Over Valve Covers or Under Headers & AMC 290-401 V8 W/HEI

Part Number: 555-40205

^$56¹⁴ $58.99

YOU SAVE

$2.85

JEGS

Solid Aluminum Rear Control Arm Bushings for Select 1964-2002 GM Vehicles

Part Number: 555-60526

^$34⁹⁹

JEGS

Solid Aluminum Rear Control Arm Bushings for Select 1964-2002 GM Vehicles

Part Number: 555-60526

^$34⁹⁹

ISKY RACING CAMS

Anti Pump-Up Hydraulic Lifters 1955-1993 Small Block Chevy

Part Number: 609-202HY

^$263⁴²

ISKY RACING CAMS

Anti Pump-Up Hydraulic Lifters 1955-1993 Small Block Chevy

Part Number: 609-202HY

^$263⁴²

OER

609833 Door Lock Cylinder Set for 1961-1987 Buick, Cadillac, Chevy, GMC, Pontiac, Oldsmobile Models [Black]

Part Number: 691-609833

^$19⁹⁹

Ships on 11/27/2026

OER

609833 Door Lock Cylinder Set for 1961-1987 Buick, Cadillac, Chevy, GMC, Pontiac, Oldsmobile Models [Black]

Part Number: 691-609833

Ships on 11/27/2026

^$19⁹⁹

OER

609833A Door Lock Cylinder Set for 1961-1987 Buick, Cadillac, Chevy, GMC, Pontiac, Oldsmobile Models

Part Number: 691-609833A

^$19⁹⁹

Ships on 12/11/2026

OER

609833A Door Lock Cylinder Set for 1961-1987 Buick, Cadillac, Chevy, GMC, Pontiac, Oldsmobile Models

Part Number: 691-609833A

Ships on 12/11/2026

^$19⁹⁹

OER

C953693 1963-72 GM Convertible Top Cylinder To Frame Shoulder Bolts, Various GM Models, Pair

Part Number: 691-C953693

^$20⁹⁹

Ships on 12/04/2026

OER

C953693 1963-72 GM Convertible Top Cylinder To Frame Shoulder Bolts, Various GM Models, Pair

Part Number: 691-C953693

Ships on 12/04/2026

^$20⁹⁹

OER

C953695 1963-72 GM, Convertible Top Cylinder to Hinge Bracket Bushing Set, Chevrolet, Buick, Pontiac, Oldsmobile, Pair

Part Number: 691-C953695

^$8⁹⁹

OER

C953695 1963-72 GM, Convertible Top Cylinder to Hinge Bracket Bushing Set, Chevrolet, Buick, Pontiac, Oldsmobile, Pair

Part Number: 691-C953695

^$8⁹⁹

OER

CTS6566 Convertible Top Rear Tack Strip Bow Set for 1965-1966 Buick, Cadillac, Chevy, Pontiac, Oldsmobile, B-Body

Part Number: 691-CTS6566

^$189⁹⁹

OER

CTS6566 Convertible Top Rear Tack Strip Bow Set for 1965-1966 Buick, Cadillac, Chevy, Pontiac, Oldsmobile, B-Body

Part Number: 691-CTS6566

^$189⁹⁹

CLEVITE MAHLE

Rear Main Seal Set Big Block Ford 429/460 ; Oldsmobile V8 350D/400/425/455

Part Number: 695-JV618

^$21⁹⁹

Ships on 12/15/2026

CLEVITE MAHLE

Rear Main Seal Set Big Block Ford 429/460 ; Oldsmobile V8 350D/400/425/455

Part Number: 695-JV618

Ships on 12/15/2026

^$21⁹⁹

MCGARD

65100 SplineDrive Installation Tool (13/16" Hex Size), Box of 10 Installation Tools

Part Number: 671-65100

^$63¹⁷$76.99

$13.82

MCGARD

65100 SplineDrive Installation Tool (13/16" Hex Size), Box of 10 Installation Tools

Part Number: 671-65100

^$63¹⁷ $76.99

YOU SAVE

$13.82

MCGARD

65300 Spline Drive Installation Tool Fits: 1/2" x 20

Part Number: 671-65300

^$13⁹⁹

MCGARD

65300 Spline Drive Installation Tool Fits: 1/2" x 20

Part Number: 671-65300

^$13⁹⁹

MELLING

VL-200 Valve Spring Retainer Keeper

Part Number: 689-VL-200

^$3⁹⁹

MELLING

VL-200 Valve Spring Retainer Keeper

Part Number: 689-VL-200

^$3⁹⁹

MOTIVE GEAR

Differential Cross Shaft

Part Number: 683-3931175

^$19²²

MOTIVE GEAR

Differential Cross Shaft

Part Number: 683-3931175

^$19²²

MCGARD

64029 Black Acorn/Conical Seat Lug Nuts 1/2" -20 Thread Size

Part Number: 671-64029

^$19⁹⁹

MCGARD

64029 Black Acorn/Conical Seat Lug Nuts 1/2" -20 Thread Size

Part Number: 671-64029

^$19⁹⁹

JEGS

Automatic Transmission Pan for GM TH400, Stock Capacity [Chrome Plated Steel]

Part Number: 555-601181

^$24⁹⁹$27.99

$3.00

JEGS

Automatic Transmission Pan for GM TH400, Stock Capacity [Chrome Plated Steel]

Part Number: 555-601181

^$24⁹⁹ $27.99

YOU SAVE

$3.00

JEGS

TH400 Steel Transmission Pan, Filter & Fluid Kit

Part Number: 555-601184K

^$114⁹²

JEGS

TH400 Steel Transmission Pan, Filter & Fluid Kit

Part Number: 555-601184K

^$114⁹²

HURST

Quarter Stick Shifter Powerglide (Fits Forward Or Reverse Pattern Valve Body, Aluminum Case Only)

Part Number: 530-3160001

^$499⁹⁵

HURST

Quarter Stick Shifter Powerglide (Fits Forward Or Reverse Pattern Valve Body, Aluminum Case Only)

Part Number: 530-3160001

^$499⁹⁵

OPTIMA BATTERIES

YELLOW TOP

Part Number: 753-8014-045

^$319⁹⁹

OPTIMA BATTERIES

YELLOW TOP

Part Number: 753-8014-045