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  2. Buick
  3. 1991
  4. Riviera
  5. Fuel and exhaust

1991 Buick Riviera fuel and exhaust parts catalog

Add this car in your garage and make future searches easy.

Manifold, emission controls v6 (l27/3.8l)

  • OEM part number: 24501293
  • Quantity in car: 1
  • Usage: E (L27)

$2.72

Available in 1 shop

Add to cart

Manifold, emission controls v6 (l27/3.8l)

  • OEM part number: 24501293
  • Quantity in car: 1
  • Vacuum source
  • Usage: E (L27)

$2.72

Available in 1 shop

Add to cart

Bolt, emission controls v6 (l27/3.8l)

  • OEM part number: 24501552
  • Quantity in car: 1
  • Intake upper manifold (hex flanged head, m8x1.25x66.4, 27thd, 15 outside diameter, 9.8, po, machine) (m8x1.25x66.4, 27 thread)
  • Usage: E (L27) (UPPER TO LWR) (RH REAR))

$5.16—5.53

Available in 2 shops

Add to cart

Manifold, emission controls v6 (l27/3.8l)

  • OEM part number: 24502027
  • Quantity in car: 1
  • Usage: E (L27)

$?

Add to cart

Shield, emission controls v6 (l27/3.8l)

  • OEM part number: 24502098
  • Quantity in car: 1
  • Usage: E (L27)

$1.18

Available in 1 shop

Add to cart

Clamp, emission controls v6 (l27/3.8l)

  • OEM part number: 24502754
  • Quantity in car: 2
  • Rear intake air duct (at air cleaner end)
  • Usage: E

$1.36

Available in 1 shop

Add to cart

Stud, emission controls v6 (l27/3.8l)

  • OEM part number: 24504717
  • Quantity in car: 3
  • Usage: E (L27)

$2.76—6.20

Available in 38 shops

Add to cart

Stud, emission controls v6 (l27/3.8l)

  • OEM part number: 24504791
  • Quantity in car: 2
  • gen. support (to cyd hd. (with conical 21 outside diameter, m10x1.5x57.5, m10x1.5x28.5, 93.8tl)
  • Usage: E (L27)

$?

Add to cart

Element, emission controls v6 (l27/3.8l)

  • OEM part number: 24577608
  • Quantity in car: 1
  • Usage: E (FOR MDL APPL & POA INFO SEE A/CL CHT)

$10.02—18.96

Available in 38 shops

Add to cart

Valve, emission controls v6 (l27/3.8l)

  • OEM part number: 25043843
  • Quantity in car: 1
  • Usage: E (L27)

$5.01—5.24

Available in 2 shops

Add to cart

Cleaner, emission controls v6 (l27/3.8l)

  • OEM part number: 25097690
  • Quantity in car: 1
  • Usage: EZ, EC97 (FOR MDL APPL & POA SEE A/CL CHART)

$?

Add to cart

Retainer, emission controls v6 (l27/3.8l)

  • OEM part number: 25519772
  • Quantity in car: 1
  • Engine control module bracket (push in) (push on)
  • Usage: E

$?

Add to cart

Duct, emission controls v6 (l27/3.8l)

  • OEM part number: 25524278
  • Quantity in car: 1
  • Usage: E

$?

Add to cart

Bolt, emission controls v6 (l27/3.8l)

  • OEM part number: 25526395
  • Quantity in car: 1
  • Camshaft position sensor (fuel and ignition cam sensor to front cover) (hexagon-with flat washer with adhesive, 1/4-20x.69, .55thd, 5 outside diameter, 300m, plain)
  • Usage: E (L27)

$5.05—10.00

Available in 38 shops

Add to cart

Sensor, emission controls v6 (l27/3.8l)

  • OEM part number: 25530325
  • Quantity in car: 1
  • Camshaft position (3 pinion terminal) (with wire lead) (1 bolt hole)
  • Usage: EX, EZ (L27), EC (L27)

$36.33—45.47

Available in 38 shops

Add to cart

25530972 genuine OEM part.

Valve, emission controls v6 (l27/3.8l)

  • OEM part number: 25530972
  • Quantity in car: 1
  • Usage: E

$14.83

Available in 1 shop

Add to cart

Seal, emission controls v6 (l27/3.8l)

  • OEM part number: 25531045
  • Quantity in car: 1
  • Usage: E (L27)

$?

Add to cart

Seal, emission controls v6 (l27/3.8l)

  • OEM part number: 25534756
  • Quantity in car: 1
  • Usage: E (L27)

$4.26—4.82

Available in 38 shops

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Duct, emission controls v6 (l27/3.8l)

  • OEM part number: 25534859
  • Quantity in car: 1
  • Usage: E

$?

Add to cart

Gasket, emission controls v6 (l27/3.8l)

  • OEM part number: 25535051
  • Quantity in car: 1
  • Usage: E (L27)

$2.41

Available in 1 shop

Add to cart

Retainer, emission controls v6 (l27/3.8l)

  • OEM part number: 25535921
  • Quantity in car: 1
  • Usage: E (L27)

$?

Add to cart

Pinion, emission controls v6 (l27/3.8l)

  • OEM part number: 25536320
  • Quantity in car: 2
  • Dowel 1/4"x 9/16" (intake manifold location)

$0.93—2.81

Available in 2 shops

Add to cart

Support, emission controls v6 (l27/3.8l)

  • OEM part number: 25536657
  • Quantity in car: 1
  • gen. (also c3i module)
  • Usage: E (L27)

$12.91—14.53

Available in 2 shops

Add to cart

Sensor, emission controls v6 (l27/3.8l)

  • OEM part number: 25627057
  • Quantity in car: 1
  • Fuel pump switch & engine oil pressure gage (4 blade terminal, 1/4-18 thread)
  • Usage: E (L27), E (L27)

$1.98

Available in 1 shop

Add to cart

Module, emission controls v6 (l27/3.8l)

  • OEM part number: 88999178
  • Quantity in car: 1
  • Engine control (remanufactured)
  • Usage: E

$98.86—199.33

Available in 38 shops

Add to cart

Adhesive/sealant, emission controls v6 (l27/3.8l)

  • OEM part number: 89021297
  • Threadlocker high strength 10ml eri (intake manifold bolt) (89021297 serviced together with bolt 11517188)

$12.94—14.56

Available in 2 shops

Add to cart

Hanger, exhaust system v6 (l27/3.8l)

  • OEM part number: 00363455
  • Quantity in car: 2
  • Exhaust muffler front
  • Usage: E

$?

Add to cart

Rivet, exhaust system v6 (l27/3.8l)

$?

Add to cart

Pipe, exhaust system v6 (l27/3.8l)

  • OEM part number: 03522726
  • Quantity in car: 1
  • Usage: E57

$?

Add to cart

Pipe, exhaust system v6 (l27/3.8l)

  • OEM part number: 03522850
  • Quantity in car: 1
  • Exhaust
  • Usage: E97

$?

Add to cart

Shield, exhaust system v6 (l27/3.8l)

  • OEM part number: 03525875
  • Quantity in car: 1
  • Exhaust muffler heat
  • Usage: E

$?

Add to cart

Muffler, exhaust system v6 (l27/3.8l)

  • OEM part number: 03531037
  • Quantity in car: 1
  • Exhaust (with tail pipe)
  • Usage: E57

$?

Add to cart

Muffler, exhaust system v6 (l27/3.8l)

  • OEM part number: 03531202
  • Quantity in car: 1
  • Exhaust (with tail pipe)
  • Usage: E57

$?

Add to cart

Pipe, exhaust system v6 (l27/3.8l)

  • OEM part number: 03531205
  • Quantity in car: 1
  • Usage: E

$?

Add to cart

Shield, exhaust system v6 (l27/3.8l)

  • OEM part number: 03535367
  • Quantity in car: 1
  • Exhaust pipe heat
  • Usage: E57

$?

Add to cart

Shield, exhaust system v6 (l27/3.8l)

  • OEM part number: 03535369
  • Quantity in car: 1
  • Exhaust pipe rear heat
  • Usage: E57

$?

Add to cart

Shield, exhaust system v6 (l27/3.8l)

  • OEM part number: 03545187
  • Quantity in car: 1
  • Catalytic converter heat (floor pan at converter rear)
  • Usage: E

$?

Add to cart

Hanger, exhaust system v6 (l27/3.8l)

  • OEM part number: 10030258
  • Quantity in car: 1
  • Usage: E, E

$?

Add to cart

Washer, exhaust system v6 (l27/3.8l)

  • OEM part number: 10272735
  • M8, 20.4 outside diameter, 2.5thk, steel, cad/zp (catalytic converter heat shield)

$2.63—3.62

Available in 38 shops

Add to cart

Bolt, exhaust system v6 (l27/3.8l)

  • OEM part number: 11500921
  • Hexagon, m8x1.25x40, 33.2thd, header point, 10.9, piece

$1.96—2.41

Available in 38 shops

Add to cart

Bolt, exhaust system v6 (l27/3.8l)

  • OEM part number: 11509699
  • M6x1x13, 10 thread, 12.5 outside diameter (catalytic converter heat shield)

$0.42—0.44

Available in 2 shops

Add to cart

Bolt, exhaust system v6 (l27/3.8l)

  • OEM part number: 11515732
  • M10x1.5x18, alternating current point, 6202m, po, tapping (exhaust muffler hanger bracket)

$?

Add to cart

Nut, exhaust system v6 (l27/3.8l)

  • OEM part number: 11517996
  • Quantity in car: 2
  • Hex flanged head, m10x1.5, 11.2thk, 21.5 outside diameter, 7111m (exhaust manifold pipe)

$2.89—3.81

Available in 38 shops

Add to cart

Screw, exhaust system v6 (l27/3.8l)

  • OEM part number: 15656027
  • Hwh, with sealer, m4.2x1.41x16, 8.9 outside diameter, 6172m, bo (catalytic converter heat shield)

$0.46—2.23

Available in 38 shops

Add to cart

Shield, exhaust system v6 (l27/3.8l)

  • OEM part number: 20683996
  • Quantity in car: 1
  • Exhaust pipe rear heat (heat floor pan at exhaust pipe)
  • Usage: E

$?

Add to cart

Shield, exhaust system v6 (l27/3.8l)

  • OEM part number: 20685892
  • Quantity in car: 1
  • Catalytic converter heat (floor pan at converter front)
  • Usage: E

$?

Add to cart

Shield, exhaust system v6 (l27/3.8l)

  • OEM part number: 20688346
  • Quantity in car: 1
  • Catalytic converter heat (floor pan at converter rear)
  • Usage: E97

$?

Add to cart

Shield, exhaust system v6 (l27/3.8l)

  • OEM part number: 20706514
  • Quantity in car: 1
  • Exhaust pipe heat (floor pan at exhaust pipe)
  • Usage: E57

$?

Add to cart

Pipe, exhaust system v6 (l27/3.8l)

  • OEM part number: 24501729
  • Quantity in car: 1
  • Exhaust crossover
  • Usage: E (L27)

$?

Add to cart

Pipe LH, exhaust system v6 (l27/3.8l)

  • OEM part number: 24501729
  • Quantity in car: 1
  • Usage: E (L27) (1ST DES)

$?

Add to cart

Seal, exhaust system v6 (l27/3.8l)

  • OEM part number: 24504545
  • Quantity in car: 1
  • Usage: E

$10.19—10.97

Available in 2 shops

Add to cart

Converter, exhaust system v6 (l27/3.8l)

  • OEM part number: 25128981
  • Quantity in car: 1
  • Catalytic (id:az)
  • Usage: E

$?

Add to cart

Spring, exhaust system v6 (l27/3.8l)

  • OEM part number: 25501711
  • Quantity in car: 2
  • Usage: E

$3.58—7.19

Available in 38 shops

Add to cart

Insulator, exhaust system v6 (l27/3.8l)

  • OEM part number: 25514713
  • Quantity in car: 1
  • Usage: E

$?

Add to cart

Bracket, exhaust system v6 (l27/3.8l)

  • OEM part number: 25514714
  • Quantity in car: 1
  • Exhaust muffler front hanger
  • Usage: E

$?

Add to cart

Seal, exhaust system v6 (l27/3.8l)

  • OEM part number: 25523161
  • Quantity in car: 1
  • Exhaust crossover pipe (to right-hand exhaust manifold)
  • Usage: E (L27)

$0.62

Available in 1 shop

Add to cart

Insert, exhaust system v6 (l27/3.8l)

  • OEM part number: 25529797
  • Quantity in car: 1
  • Usage: E

$?

Add to cart

Flange, exhaust system v6 (l27/3.8l)

  • OEM part number: 25530037
  • Quantity in car: 1
  • Exhaust manifold pipe (crossover rear)
  • Usage: E (L27)

$?

Add to cart

Pipe, exhaust system v6 (l27/3.8l)

  • OEM part number: 25537103
  • Quantity in car: 1
  • Exhaust manifold
  • Usage: E, E

$?

Add to cart

Bolt, exhaust system v6 (l27/3.8l)

  • OEM part number: 25555386
  • Exhaust muffler rear hanger upper (m8x1.25x50, 20.5 thread) (hex flanged head shoulder)
  • Usage: E

$5.82—17.20

Available in 38 shops

Add to cart

Hanger, exhaust system v6 (l27/3.8l)

  • OEM part number: 25559602
  • Quantity in car: 1
  • Exhaust muffler intermediate
  • Usage: E

$12.52—12.95

Available in 2 shops

Add to cart

Hanger, exhaust system v6 (l27/3.8l)

  • OEM part number: 25559602
  • Quantity in car: 1
  • Exhaust muffler rear
  • Usage: E

$12.52—12.95

Available in 2 shops

Add to cart

Stud, exhaust system v6 (l27/3.8l)

  • OEM part number: 88891764
  • Quantity in car: 2
  • Exhaust manifold pipe (100mm)
  • Usage: E

$2.93—3.05

Available in 2 shops

Add to cart

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