Steering Pump Assembly fit your 1991 Buick Century

Currently shopping for

1991 Buick Century

Change Vehicle

Categories Close X

Currently selected

Front Suspension, Steering

Other Categories

Body Moldings, Sheet Metal, Rear Compartment Hardware, Roof Hardware

Body Mounting, Air Conditioning, Audio/Entertainment

Body Wiring, Roof Trim

Brakes

Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cooling System, Grille, Oil System

Engine

Frames, Springs, Shocks, Bumpers, Fascias

Front End Sheet Metal, Heater

Fuel System, Exhaust, Emission System

Interior Trim, Front Seat Trim, Seat Belts

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Glass, Seat Parts, Adjuster

Rear Seat Trim, Carpet

Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

SEAL, Steering Pump
26094421
SEAL, P/S PUMP RESERVOIR(O RING)(14.5 INSIDE DIAMETER)(14.5 INSIDE DIAMETER)(14.5MM INSIDE DIAMETER)(*KIT1)
Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)
$7.38 $4.69
1
Add To Cart
26094421
SEAL, P/S PUMP RESERVOIR(O RING)(14.5 INSIDE DIAMETER)(14.5MM INSIDE DIAMETER)(*KIT1)(USED WITH LABELED 'WD 26021535' ON RESERVOIR AND HAS 19.05MM DIAMETER SHAFT WHERE PULLEY MOUNTS.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(2ND DES)
$7.38 $4.69
1
Add To Cart
26094421
SEAL, P/S PUMP RESERVOIR(O RING)(14.5 INSIDE DIAMETER)(PART OF 2)(14.5MM INSIDE DIAMETER)(*KIT1,KIT3)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)
$7.38 $4.69
1
Add To Cart
26094421
SEAL, P/S PUMP RESERVOIR(O RING)(PART OF 2)(14.5MM INSIDE DIAMETER)(*KIT1,KIT3)(USED WITH LABELED 'WD 26021535' ON RESERVOIR AND HAS 19.05MM DIAMETER SHAFT WHERE PULLEY MOUNTS.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(2ND DES)
$7.38 $4.69
1
Add To Cart

SEAL, Steering Gear
26020642
SEAL, P/S PUMP FITTING(O RING)(14.5 INSIDE DIAMETER)(PART OF 2)(14.5MM INSIDE DIAMETER)(AT LOWER/UPPER TUBE INTERFACE)(*KIT1,KIT2)(6.635)
Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)
$14.63 $9.29
1
Add To Cart
26020642
SEAL, P/S PUMP FITTING(O RING)(PART OF 2)(14.5MM INSIDE DIAMETER)(AT LOWER/UPPER TUBE INTERFACE)(*KIT1,KIT2)(6.635)
- Fitting Vehicle Options: A
$14.63 $9.29
1
Add To Cart
26020642
SEAL, P/S PUMP FITTING(O RING)(14.5MM INSIDE DIAMETER)(AT LOWER/UPPER TUBE INTERFACE)(*KIT1,KIT3)(6.635)
- Fitting Vehicle Options: A
$14.63 $9.29
1
Add To Cart
26020642
SEAL, P/S PUMP FITTING(O RING)(14.5 INSIDE DIAMETER)(14.5MM INSIDE DIAMETER)(AT LOWER/UPPER TUBE INTERFACE)(*KIT1,KIT3)(6.635)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)
$14.63 $9.29
1
Add To Cart
5688035
SEAL, O RING (.588-578"INSIDE DIAMETER)
5688035
SEAL, P/S PUMP FITTING(O RING)(PART OF 2)(.588-.578" INSIDE DIAMETER)(*KIT1,KIT2)(USED WITH LABELED 'WC 26016158' ON RESERVOIR AND HAS 16.88MM DIAMETER SHAFT WHERE PULLEY MOUNTS. NO COMPARABLE 2ND DESIGN.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(1ST DES)
5688035
SEAL, P/S PUMP FITTING(O RING)(.588-.578" INSIDE DIAMETER)(*KIT1,KIT3)(USED WITH LABELED 'WC 26016158' ON RESERVOIR AND HAS 16.88MM DIAMETER SHAFT WHERE PULLEY MOUNTS. NO COMPARABLE 2ND DESIGN.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(1ST DES)

SEAL, Steering Pump Drive Shaft
15277770
SEAL, P/S PUMP SHAFT(PART OF 2)(22.78MM INSIDE DIAMETER)(USED W/19MM SHAFT)(*KIT1,KIT2)
Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE CHT)
$17.48 $11.11
1
Add To Cart
15277770
SEAL, P/S PUMP SHAFT(22.78MM INSIDE DIAMETER)(USED W/19MM SHAFT)(*KIT1)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE CHT)
$17.48 $11.11
1
Add To Cart
88964578
SEAL, DRIVE SHAFT (PART OF 28)
$44.28 $26.75
1
Add To Cart
88964578
SEAL, P/S PUMP SHAFT(PART OF 2)(INSIDE DIAMETER 16.883MM)(*KIT1,KIT2)(USED WITH LABELED 'WC 26016158' ON RESERVOIR AND HAS 16.88MM DIAMETER SHAFT WHERE PULLEY MOUNTS.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(1ST DES)
$44.28 $26.75
1
Add To Cart
88964578
SEAL, P/S PUMP SHAFT(INSIDE DIAMETER 16.883MM)(*KIT1)(USED WITH LABELED 'WC 26016158' ON RESERVOIR AND HAS 16.88MM DIAMETER SHAFT WHERE PULLEY MOUNTS.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(1ST DES)
$44.28 $26.75
1
Add To Cart

SEAL KIT, Steering Pump
26053277
SEAL KIT, P/S PUMP(FOR MODULE APPLICATION & POA INFORMATION SEE PUMP CHART, USED WITH LABELED 'WD 26021535' ON RESERVOIR AND HAS 19.05MM DIAMETER SHAFT WHERE PULLEYS MOUNT)
Fitting Vehicle Options: A(LR8)(2ND DES)
$13.42 $8.53
1
Add To Cart
26053277
SEAL KIT, P/S PUMP(FOR MODULE APPLICATION & POA INFORMATION SEE PUMP CHART, USED WITH LABELED 'WD 26021535' ON RESERVOIR AND HAS 19.05MM DIAMETER SHAFT WHERE PULLEYS MOUNT)(INCLUDES 8,11,15,32,35)
- Fitting Vehicle Options: A(LG7)(2ND DES)
$13.42 $8.53
1
Add To Cart

CAP, Steering Pump
10317982
CAP, P/S FLUID RESERVOIR(*KIT1)
Fitting Vehicle Options: A(LR8,LG7)
$59.36 $37.73
1
Add To Cart
26095323
CAP, P/S FLUID RESERVOIR(PART OF 2)
26095323
CAP, P/S FLUID RESERVOIR(INTEGRAL PUMP MOUNTED RESERVOIR)(INTEGERAL PUMP MOUNTED RESERVOIR)(*KIT1)
- Fitting Vehicle Options: A(LR8,LG7)

PLATE, Steering Pump

26002915
PLATE, PRESSURE
$63.70 $25.97
1
Add To Cart
7840139
PLATE, STEERING PUMP THRUST

PUMP, Power Steering
26021535
PUMP, P/S(INCLUDES 1-37)(2ND DESIGN IS LABELED 'WD 26021535' ON RESERVOIR AND HAS 19.05 MM DIAMETER SHAFT WHERE PULLEY MOUNTS.)
Fitting Vehicle Options: A(LG7)(2ND DES)
$386.63 $193.38
1
Add To Cart
26030491
PUMP, P.S.

FITTING, Steering Pump Control

26056499
FITTING, UNION (INCLUDES 10)
$52.21 $33.18
1
Add To Cart
26056499
FITTING, P/S PUMP(*KIT1)(USED WITH LABELED 'WC 26016158' ON RESERVOIR AND HAS 16.88MM DIAMETER SHAFT WHERE PULLEY MOUNTS.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(1ST DES)
$52.21 $33.18
1
Add To Cart

7840569
VANE KIT, Steering Pump, VANE KIT, PUMP (PART OF 18)
$30.36 $15.06
1
Add To Cart

26001378
BEARING, Steering Pump Drive Shaft Outer Bearing Retainer, BEARING, PUMP BALL

RESERVOIR KIT, Steering Pump

26019867
RESERVOIR KIT, P/S FLUID((INCLUDE'S 1,2,7))
26019867
RESERVOIR KIT, P/S FLUID(INCLUDES 3,5,8)(*KIT1)(LABELED WC26016158 ON RESERVOIR)
- Fitting Vehicle Options: A(LG7)(16.88 MM DIA SHAFT WHERE PULLEY MOUNTS)(1ST DES)
26024267
RESERVOIR KIT, P/S FLUID(INCLUDES 11,15,26,28,32,35)(*KIT1)
- Fitting Vehicle Options: A(LR8)(USED W/LABELED 'WD 26021535' ON RESERVOIR AND HAS 19.00M DIAM SHAFT WHERE PULLEY MOUNTS)(2ND DES)
26024267
RESERVOIR KIT, P/S FLUID(INCLUDES 3,5,8)(*KIT1)
- Fitting Vehicle Options: A(LG7)(USED W/LABELED 'WD 26021535' ON RESERVOIR AND HAS 19.00M DIAM SHAFT WHERE PULLEY MOUNTS)(2ND DES)

RING KIT, Steering Pump

26021986
RING KIT, P/S PUMP(W/ ROTOR & VANE (INCLUDES #12,13,14,15))
26046606
RING KIT, P/S PUMP(W/ROTOR & VANE)(USED WITH LABELED 'WD 26021535' ON RESERVOIR AND HAS 19.05MM DIAMETER SHAFT WHERE PULLEY MOUNTS.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(2ND DES)
26046606
RING KIT, P/S PUMP(INCLUDES 26-30)(W/ROTOR & VANE)(USED WITH LABELED 'WD 26021535' ON RESERVOIR AND HAS 19.05MM DIAMETER SHAFT WHERE PULLEY MOUNTS.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(2ND DES)

26045548
SHAFT, Steering Pump, SHAFT, PUMP BEARING

CLIP, Steering Pump

26083255
CLIP, RESERVOIR RETAINER-RH
26083256
CLIP, RESERVOIR RETAINER-LH

SHAFT KIT, Steering Pump

26086421
SHAFT KIT, P/S PUMP(INCLUDES 30)(*KIT1)(USED WITH LABELED 'WC 26016158' ON RESERVOIR AND HAS 16.88MM DIAMETER SHAFT WHERE PULLEY MOUNTS. NO COMPARABLE 2ND DESIGN.)
26086421
SHAFT KIT, P/S PUMP(*KIT1)(USED WITH LABELED 'WC 26016158' ON RESERVOIR AND HAS 16.88MM DIAMETER SHAFT WHERE PULLEY MOUNTS. NO COMPARABLE 2ND DESIGN.)

5688037
SPRING, Steering Pump Control, SPRING, FLOW CONTROL

7839991
PIN, Steering Pump, PIN, RING DOWEL

7839992
RING, Steering Pump, RING, RETAINER THRUST PLATE

VALVE, Steering Pump Control

7841759
VALVE, PUMP CONTROL
7841759
VALVE, P/S PUMP FLOW CONTROL(*KIT1)(USED WITH LABELED 'WC 26016158' ON RESERVOIR AND HAS 16.88MM DIAMETER SHAFT WHERE PULLEY MOUNTS.)
- Fitting Vehicle Options: A(FOR MDL APPL & POA INFO SEE PUMP CHART)(1ST DES)

7842086
SLEEVE KIT, Steering Pump, SLEEVE KIT, PUMP (INCLUDE'S 25)

7842662
RING, Steering Pump Drive Shaft Outer Bearing Retainer, RING,P/S PUMP SHAFT BEARING RETAINER

7844818
HOUSING, Steering Pump, HOUSING, PUMP (INCLUDE'S 6,21,25,26)

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 Buick Century parts. Parts like Steering Pump Assembly are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.5L, 6 Cyl 3.3L. Model Code: CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL 4 DOOR.