Engine Assembly-Cylinder Block & Internal Parts fit your 1991 Buick Roadmaster

My Vehicle Change Vehicle

1991 Buick Roadmaster

8 Cyl 5.0L TBI; 4-Speed Automatic Transmission, THM700R4/4L60; Roadmaster Estate Station Wagon

My Vehicle Change Vehicle

1991 Buick Roadmaster

8 Cyl 5.0L TBI; 4-Speed Automatic Transmission, THM700R4/4L60; Roadmaster Estate Station Wagon

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Recommended

Part No. & Part Description

Price

Part No. &
Part Description

12338076
PIN, Engine Clutch Housing or Transmission, PIN,TRANS LOCATING(19.5 MM X 18.5 MM)(TO CYL BLOCK)(*02)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $1.73
$1.04
1
Add To Cart

14088764
BOLT, Engine Flywheel, BOLT,FLYWHEEL(7/16-20 X 45/64)(0.685)
- Require Quantity:
  06
- Package Quantity:
  10
MSRP: $3.68
$2.34
10
Add To Cart

12555771
GASKET, Engine Rear Main Bearing, GASKET,CRANKSHAFT REAR OIL SEAL HOUSING(*02)
MSRP: $10.68
$6.78
1
Add To Cart

10456287
SENSOR, Distributor (also Knock Sensor), SENSOR,KNOCK

10108688
ROD, Engine Piston, ROD,CONNECT(INCLUDE 110,115,116)(*02)
- Require Quantity:
  08
- Package Quantity:
  1
- Replaced By:
  19435115
MSRP: $111.63
$93.35
1
Add To Cart

PLUG, Engine Oil Distribution
10110897
PLUG, ENGINE BLOCK OIL GALLERY(OUTER HOLES)(CUP,.57X.25,.025 HOLE IN CENTER,1008,PLAIN)(*02)
Require Quantity:
02
Package Quantity:
1
MSRP: $11.59
$7.00
1
Add To Cart
3701638
PLUG, ENGINE BLOCK OIL GALLERY(1/2" STEEL EXPANSION PLUG)(8.970)
MSRP: $3.46
$2.20
1
Add To Cart
14091563
PLUG, ENGINE OIL MANIFOLD HOLE(CUP 15/32 X 5/16)(*02)
MSRP: $3.92
$2.50
14091563
PLUG, ENGINE BLOCK OIL GALLERY(CENTER HOLE)(CUP 15/32 X 5/16)(*02)
MSRP: $3.92
$2.50
14081701
PLUG, ENGINE OIL PRESSURE GAGE SENSOR OR INDICATOR SWITCH HOLE(.25-18X.475 FULL THREAD)(8.971)
14081701
PLUG, ENGINE BLOCK OIL GALLERY(.25-18X.475 FULL THREAD)(*02)(8.971)

14088765
FLYWHEEL, Engine Crankshaft, FLYWHEEL,ENGINE
MSRP: $204.56
$117.53
1
Add To Cart

3866766
NUT, Engine Connecting Rod Bolt, NUT,CONNECT ROD(ALSO PART OF 110)(3/8-24)(HEXAGON)(*02)
- Require Quantity:
  16
- Package Quantity:
  10
MSRP: $2.88
$1.83
10
Add To Cart

RETAINER, Engine Camshaft
10168501
RETAINER, CAMSHAFT(*02)
Fitting Vehicle Options:
B(L03)(2ND DES)
MSRP: $19.98
$12.70
1
Add To Cart
10088128
RETAINER, CAMSHAFT(*02)
- Fitting Vehicle Options:
  B(L03)(1ST DES)
MSRP: $20.19
$12.83
1
Add To Cart

BEARING KIT, Engine Crankshaft Main
12531215
BEARING KIT, CRANKSHAFT(#1,2,3,4)(.001 UNDERSIZE/STD)(REPLACE 0.0006" UNDERSIZE BEARING KIT)(*02)
Require Quantity:
04
Package Quantity:
1
MSRP: $58.20
$35.17
1
Add To Cart
10120990
BEARING KIT, CRANKSHAFT(#1,2,3,4)(STD)(STD)(*02)
- Require Quantity:
  04
- Package Quantity:
  1
MSRP: $37.77
$22.83
1
Add To Cart
89060460
BEARING KIT, CRANKSHAFT(THRUST)(*02)
MSRP: $75.18
$45.42
1
Add To Cart
12329793
BEARING KIT, CRANKSHAFT(.010 UNDERSIZE/STD FLANGE)(REAR)(*02)
MSRP: $48.65
$24.13
1
Add To Cart
10181325
BEARING KIT, CRANKSHAFT(REAR#5)(STD)(.008"O.S.FLANGE)(STD)(.008 OVERSIZE FLANGE)(*02)
10181326
BEARING KIT, CRANKSHAFT(REAR#5)(.001"UNDERSIZE,.008"OVERSIZE FLANGE)(#5)(.001 UNDERSIZE,.008 OVERSIZE FLANGE)(*02)
12329428
BEARING KIT, CRANKSHAFT(#1,2,3,4)(.010 UNDERSIZE)(*02)
- Require Quantity:
  04
- Package Quantity:
  1

12554553
PIN, Engine Camshaft gear, PIN,CAMSHAFT SPROCKET LOCATING(ALSO PART OF 151)(1/4X5/8)
MSRP: $8.90
$5.66
1
Add To Cart

BOLT, Engine Rear Main Bearing
14088561
BOLT, CRANKSHAFT REAR OIL SEAL HOUSING(1/4-20X1 7/8)(*02)
Require Quantity:
02
Package Quantity:
1
MSRP: $10.06
$6.39
1
Add To Cart
14101032
BOLT, CRANKSHAFT REAR OIL SEAL HOUSING(.250-20X1.750)(*02)
MSRP: $4.05
$2.58
1
Add To Cart

14093637
BOLT, Engine Camshaft, BOLT,CAMSHAFT RETAINER(1/4-20X1/2, 15/32OD)(HEXAGON SOCKET TORX)(*02)
- Require Quantity:
  02
- Package Quantity:
  10
MSRP: $2.37
$1.49
10
Add To Cart

10088158
SEAL, Engine Rear Main Bearing, SEAL,CRANKSHAFT REAR OIL(ALSO PART OF 123)(*02)
MSRP: $49.11
$29.67
1
Add To Cart

BEARING KIT, Engine Connecting Rod
12523924
BEARING KIT, CONNECT ROD(STD)(STD)(*02)
Require Quantity:
08
Package Quantity:
1
MSRP: $49.59
$29.97
1
Add To Cart
12329426
BEARING KIT, CONNECT ROD(.002 UNDERSIZE)(*02)
- Require Quantity:
  08
- Package Quantity:
  1
MSRP: --
$22.50
1
Add To Cart
12329427
BEARING KIT, CONNECT ROD(.020 UNDERSIZE)(*02)
- Require Quantity:
  08
- Package Quantity:
  1
12523926
BEARING KIT, CONNECT ROD(.010"UNDERSIZE)(.010 UNDERSIZE)(*02)
- Require Quantity:
  08
- Package Quantity:
  1

STUD, Engine Rear Main Bearing
14080362
STUD, CRANKSHAFT REAR OIL SEAL RETAINER(ALSO PART OF 123)(5/16 X 18 X 1 43/64)(*02)(1.428)
Require Quantity:
02
Package Quantity:
5
MSRP: $7.19
$5.54
5
Add To Cart
14101058
STUD, CRANKSHAFT REAR OIL SEAL RETAINER(1/4-20 X 2 3/16)(*02)
MSRP: $15.97
$10.15

10128346
SPROCKET, Engine Crankshaft/Timing, SPROCKET,CRANKSHAFT(18 TEETH)(.40/.41" TOOTH THICKNESS)
MSRP: $61.70
$35.45
1
Add To Cart

10243070
CRANKSHAFT, Engine, CRANKSHAFT,(INCLUDE 134)(DEALER TO ORDER BEARING IF REQUIRED)(*02)
- Replaced By:
  12691722
MSRP: $999.68
$629.65
1
Add To Cart

12552128
SPROCKET, Engine Camshaft, SPROCKET,CAMSHAFT(36 TEETH)(.395/.405" TOOTH WIDTH)(*02)
MSRP: $195.42
$123.64
1
Add To Cart

12561388
BOLT, Engine Main Bearing Cap, BOLT,CRANKSHAFT BEARING CAP(7/16-14X3.34)(*02)
- Require Quantity:
  10
- Package Quantity:
  1
MSRP: $10.64
$6.75
1
Add To Cart

14084945
PLUG, Plug Threaded, PLUG,1/4-18X0.56,STEEL,PC(ENGINE BLOCK OIL GALLERY)
MSRP: $12.55
$6.65
1
Add To Cart

94673017
PLUG, Engine Block, PLUG,CYL & CASE WATER JACKET(DIAMETER 41.4MM)
- Require Quantity:
  08
- Package Quantity:
  1
MSRP: $7.02
$4.46
1
Add To Cart

10046031
PIN, Engine Flywheel, PIN,FLYWHEEL LOCATING(ALSO PART OF 142)(*02)(3.686)
MSRP: $5.74
$3.65
5
Add To Cart

10241154
PLUG, Engine Camshaft & Balance Shaft Hole, PLUG,CAMSHAFT BEARING HOLE(*02)(8.970)
MSRP: $4.19
$2.66
5
Add To Cart

106751
KEY, Engine Crankshaft Pulley and Balancer, KEY,CRANKSHAFT BALANCER(19.05MM X 4.75MM)(8.960)
- Require Quantity:
  02
- Package Quantity:
  80
MSRP: $1.81
$1.15
80
Add To Cart

BEARING, Engine Camshaft & Balance Shaft Front
12453171
BEARING, CAMSHAFT(#2 & REAR)(*02)
Fitting Vehicle Options:
B(L03)(EXC CV2)
Require Quantity:
02
Package Quantity:
1
MSRP: $78.13
$38.74
1
Add To Cart
19301057
BEARING, CAMSHAFT(#2 & REAR)(*02)
- Fitting Vehicle Options:
  B(L03,CV2)(EXPORT)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $38.36
$34.94
1
Add To Cart
19301058
BEARING, CAMSHAFT(#3-4)(*02)
- Fitting Vehicle Options:
  B(L03,CV2)(EXPORT)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $38.31
$24.34
1
Add To Cart
12453170
BEARING, CAMSHAFT(#1)(*02)
- Fitting Vehicle Options:
  B(L03)
12453172
BEARING, CAMSHAFT(#3-4)(*02)
- Fitting Vehicle Options:
  B(L03)(EXC CV2)
- Require Quantity:
  02
- Package Quantity:
  1

RING KIT, Engine Piston
12518282
RING KIT, PISTON(STD)(*02)
Require Quantity:
08
Package Quantity:
1
MSRP: $60.91
$38.71
1
Add To Cart
12518283
RING KIT, PISTON(.030"OVERSIZE)(*02)
- Require Quantity:
  08
- Package Quantity:
  1
MSRP: $60.58
$51.30
1
Add To Cart

14087014
CHAIN, Engine Timing, CHAIN,CAMSHAFT TIMING(9-LINKS)(DIM 5.737 36 TEETH,DIM 2.879 18 TEETH)
MSRP: $86.13
$54.74
1
Add To Cart

HOUSING, Engine Rear Main Bearing

14088556
HOUSING, CRANKSHAFT REAR OIL SEAL(RETAINER,CRANKSHAFT REAR SEAL)(INCLUDE 124,125)(*02)(0.659)
MSRP: $183.70
$87.95
1
Add To Cart
14088556
HOUSING, CRANKSHAFT REAR OIL SEAL(INCLUDE 124,125)(*02)(0.659)
MSRP: $183.70
$87.95
1
Add To Cart

461372
BOLT, Engine Connecting Rod Cap, BOLT,CONNECT ROD(ALSO PART OF 110)(*02)
- Require Quantity:
  16
- Package Quantity:
  1
MSRP: $55.35
$33.44
1
Add To Cart

9424877
BOLT, Engine Camshaft gear, BOLT,CAMSHAFT SPROCKET(5/16-18 X 3/4, 300M)(HEXAGON HEAD, STEEL)(8.900)
- Require Quantity:
  03
- Package Quantity:
  5
MSRP: $3.43
$2.20
5
Add To Cart

9441003
PIN, Engine Rear Main Bearing, PIN,CRANKSHAFT REAR OIL SEAL HOUSING LOCATING(7/16 X 9/16 STEEL)(*02)(8.940)
MSRP: $3.46
$2.20
1
Add To Cart

10088155
CAMSHAFT, Engine, CAMSHAFT,ENGINE(INCLUDE 150)

12378478
T, Maintenance Products, T-2000)(RED)(2.8 OUNCE()(VOC RESTRICTION: NOT FOR SALE IN CALIFORNIA)
- Replaced By:
  19369831
MSRP: $39.90
$22.24

12520564
ENGINE, Cylinder and Case, ENGINE,(SERVICE PARTIAL)(REFER TO NOTES 1,4 IN CATALOG TEXT)(INCLUDE 102,106,109,110,111,112,113,114,115,116,117,119,120,122,123,124,125,126,130,131,132,133,134,135,136,137,142,143,144,145,148,149,152,153)(*01,03)

14094015
PISTON, Engine Piston, PISTON,(W/PINION)(.030"OVERSIZE)(*02)
- Require Quantity:
  08
- Package Quantity:
  1

19333512
SEALANT, Maintenance Products, SEALANT,THREAD(VIBRA-TITE 420)(1.69 OUNCE
MSRP: $27.29
$15.21

3991407
GEAR, Engine Flywheel, GEAR,FLYWHEEL RING(153 TEETH)

10108645
NUT, HEX FLANGED HEAD,1/4-20X.26,.525 OUTSIDE DIAMETER,284M,PHOSPHATE ELECTRO-ORGANIC(CRANKSHAFT REAR OIL SEAL RETAINER)(*02)
- Require Quantity:
  02
- Package Quantity:
  10
MSRP: $7.31
$4.64
10
Add To Cart

274584
PIN, GROOVE/F/.312X.375 CADMIUM OR ZINC PLATED (OPT); 0.375" LENGTH(CRANKSHAFT BALANCE)(WEIGHT)
MSRP: $2.31
$1.46
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 Buick Roadmaster parts. Parts like Engine Assembly-Cylinder Block & Internal Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.0L. Model Code: STATION WAGON.