Exhaust System fit your 1991 Buick Riviera

My Vehicle Change Vehicle

1991 Buick Riviera

6 Cyl 3.8L SFI, HO; 4-Speed Automatic Transmission, 4T60-E

My Vehicle Change Vehicle

1991 Buick Riviera

6 Cyl 3.8L SFI, HO; 4-Speed Automatic Transmission, 4T60-E

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Fuel System, Exhaust, Emission System

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Parts Questions

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Recommended

Part No. & Part Description

Price

Part No. &
Part Description

10272735
WASHER, Fuse, WASHER,M8,20.4 O.D.,2.5THK,STEEL,CADMIUM/ZINC COATED (DIPPED OR PLATED)(CATALYTIC CONVERTER HEAT SHIELD)(8.929)
MSRP: $6.28
$3.98
1
Add To Cart

HANGER, Exhaust Muffler/Resonator
363455
HANGER, EXHAUST MUFFLER FRONT(3.616)
Require Quantity:
02
Package Quantity:
1
MSRP: --
$9.72
1
Add To Cart
25559602
HANGER, EXHAUST MUFFLER REAR(3.616)
MSRP: $24.49
$15.57
1
Add To Cart
25559602
HANGER, EXHAUST MUFFLER INTERMEDIATE(3.616)
MSRP: $24.49
$15.57
1
Add To Cart

BOLT, Exhaust Muffler/Resonator
25555386
BOLT, EXHAUST MUFFLER REAR HANGER UPPER(M8X1.25X50,20.5 THREAD)(HEX FLANGED HEAD SHOULDER)
Fitting Vehicle Options:
E
MSRP: $37.54
$25.11
1
Add To Cart
11515732
BOLT, M10X1.5X18,AC POINT,6202M,PO,TAPPING(EXHAUST MUFFLER HANGER BRACKET)

SEAL, Exhaust Pipe
24504545
SEAL, EXHAUST MANIFOLD PIPE
Fitting Vehicle Options:
E
MSRP: $16.89
$6.57
1
Add To Cart
25523161
SEAL, EXHAUST CROSSOVER PIPE(TO RH EXHAUST MANIFOLD)
- Fitting Vehicle Options:
  E(L27)
MSRP: $13.23
$13.05
1
Add To Cart

25501711
SPRING, Exhaust Pipe, SPRING,EXHAUST MANIFOLD PIPE
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: --
$13.05
1
Add To Cart

25514714
BRACKET, Exhaust Muffler/Resonator, BRACKET,EXHAUST MUFFLER FRONT HANGER(3.616)
MSRP: --
$18.14
1
Add To Cart

SHIELD, Catalytic Converter

20685892
SHIELD, CATALYTIC CONVERTER HEAT(FLOOR PAN AT CONVERTER FRONT)
3545187
SHIELD, CATALYTIC CONVERTER HEAT(FLOOR PAN AT CONVERTER REAR)

PIPE, Exhaust Pipe
24501729
PIPE, EXHAUST CROSSOVER
Fitting Vehicle Options:
E(L27)
3522726
PIPE, EXHAUST(INTERMEDIATE)
- Fitting Vehicle Options:
  E57
3522850
PIPE, EXHAUST
- Fitting Vehicle Options:
  E97

25128981
CONVERTER, Catalytic Converter, CONVERTER,CATALYTIC(INSIDE DIAMETER:AZ)

25514713
INSULATOR, INSULATOR,EXHAUST MUFFLER FRONT HANGER BRACKET(GRAPH-OIL PAPER)(BETWEEN BRACKET & PIPE HANGER)

25529797
INSERT, Exhaust Pipe, INSERT,EXHAUST MANIFOLD PIPE(ADAPTER)

25530037
FLANGE, Exhaust Pipe, FLANGE,EXHAUST MANIFOLD PIPE(CROSSOVER REAR)

25537103
PIPE, Exhaust Manifold, PIPE,EXHAUST MANIFOLD

3525875
SHIELD, Exhaust Tail Pipe, SHIELD,EXHAUST MUFFLER HEAT

3531037
MUFFLER, Exhaust, MUFFLER,EXHAUST(W/TAIL PIPE)

88891764
STUD, Exhaust Pipe, STUD,EXHAUST MANIFOLD PIPE(100MM)
- Require Quantity:
  02
- Package Quantity:
  1

11517996
NUT, HEX FLANGED HEAD,M10X1.5,11.2 THICK,21.5 OUTSIDE DIAMETER,10,7111M,ALL METAL PREVENT TORQUE(EXHAUST MANIFOLD PIPE)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $7.19
$4.57
1
Add To Cart

15656027
SCREW, HEX WASHER HEAD,W/SEALER,M4.2X1.41X16,8.9 O.D.,6172M,BO(CATALYTIC CONVERTER HEAT SHIELD)(8.900)
MSRP: $3.46
$2.20
10
Add To Cart

2477054
RIVET, BLIND,POP,0.192/0.196 HOLE,0.251/0.375 GRIP,0.375 OUTSIDE DIAMETER,1010 STEEL(EXHAUST MANIFOLD HEAT SHIELD)
MSRP: $3.30
$2.10
10
Add To Cart

11516477
BOLT, HEX WASHER HEAD,M6X1X13,13.2 OUTSIDE DIAMETER,6202M,7114M,TAP,TRIM-POINT(CATALYTIC CONVERTER HEAT SHIELD)
MSRP: $14.95
$13.05
1
Add To Cart

11500921
BOLT, HEXAGON,M8X1.25X40,33.2THD,HEADER POINT,10.9,PC
MSRP: $10.84
$6.89
10
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 Buick Riviera parts. Parts like Exhaust System are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.8L. Model Code: 2 DOOR, CONVERTIBLE, RIVIERA.