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1978 Pontiac Firebird

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Shop By Product Matching "National"

Choose your Engine for your 1978 Pontiac Firebird

8 Cyl 5.0L 8 Cyl 5.7L 8 Cyl 6.6L

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1978 Pontiac Firebird Wheel Bearing - Rear National Bearing

Axle Repair Bearing
Axle Repair Bearing
National RP-5707 Axle Repair Bearing
Product Attributes:
- Width (Inch): 1.457
- Bore (Inch): 1.399
- Outside Diameter (Inch): 2.2948
- Part Description: Axle Repair Bearing
Designed to be used on worn axle shafts, National® axle repair bearings are manufactured with premium materials for durability and long-lasting performance.
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.

This Part Fits the Following OEM/Substitute Numbers:

1563, B350, BRK1563, BS226373, R1563, RP1563, RP5707, TRP1563TAV

Additional Fitment Information:

Vehicle	Position
1978 - Pontiac Firebird	Rear

2 In Stock

Holiday Special

$42.76 USD

$51.31 USD


Brand	National Bearing
Part #	B42RP-5707
Condition	New
Warehouse	B

UPC: 724956031917

1978 Pontiac Firebird Engine Crankshaft Seal - Front 8 Cyl 6.6L National Bearing

Crankshaft Seal
with 0.375 (in) Width 2.522 (in) Outside Diameter
National 332062 Crankshaft Seal
Product Attributes:
- Inside Diameter:
  - 1.869
  - 47.470
- Shaft (Inch): 1.869
- Helix Type: Clockwise-spiral Lip Design
- Width (Inch): 0.375
- Unit of Dimension: Inch
- Housing Bore (Inch): 2.518
- Outside Diameter:
  - 2.522
  - 64.060
- Outside Diameter (Inch): 2.522
- Shaft (MM): 47.470
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:

18492, 233156X06, 29532, 332062, 47378S, 47382, 480184, 487908, 544452, 62182, 63503S, 63GP-8S, 84715, 9787344, A45363S, ES 39499-1, N18490, N18492...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - Pontiac Firebird	V	-	Front	8 Cyl 6.6L	400

8 In Stock

Holiday Special

$33.96 USD

$40.75 USD


Brand	National Bearing
Part #	N19332062
Condition	New
Warehouse	B

UPC: 724956095339

1978 Pontiac Firebird Wheel Seal - Front Inner National Bearing

Wheel Seal
National 8871 Wheel Seal
Product Attributes:
- Shaft (Inch): 2.000
- Width (Inch): 0.220
- Redicoat: Yes
- Flanged Outside Diameter (Inch): 2.760
- Inside Diameter:
  - 2.000
  - 50.800
- Flanged Outside Diameter (MM): 70.104
- Unit of Dimension: Inch
- Housing Bore (Inch): 2.562
- Outside Diameter:
  - 2.566
  - 65.180
- Outside Diameter (Inch): 2.566
- Shaft (MM): 50.800
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.

This Part Fits the Following OEM/Substitute Numbers:

14003414, 19753, 19984, 2620390, 29080, 417.62000, 47477, 47477BV, 52-21-0372, 67101S, 703752, 8871, A67101S, GS1008, N19753, T3953, X1607024

Additional Fitment Information:

Vehicle	Position
1978 - Pontiac Firebird	Front Inner

3 In Stock

Holiday Special

$9.95 USD

$11.94 USD


Brand	National Bearing
Part #	N198871
Condition	New
Warehouse	B

UPC: 724956190492

1978 Pontiac Firebird Differential Pinion Seal - Rear Outer National Bearing

Differential Pinion Seal
with 8.5 (in) Ring Gear with GMC Axle
National 2043 Differential Pinion Seal
Product Attributes:
- Inside Diameter:
  - 1.940
  - 49.280
- Shaft (Inch): 1.940
- Width (Inch): 0.500
- Unit of Dimension: Inch
- Housing Bore (Inch): 2.762
- Outside Diameter:
  - 2.766
  - 70.260
- Outside Diameter (Inch): 2.766
- Redicoat: Yes
- Shaft (MM): 49.280
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:

12305068, 1236324, 1242066, 1242067, 1242068, 1243465, 1243467, 1496123, 19273, 2043, 249A16008C, 26033578, 292-7, 3633518, 396470, 404294, 4319273, 46476...VIEW MORE

Additional Fitment Information:

Vehicle	Position
1978 - Pontiac Firebird	Rear Outer

5 In Stock

Holiday Special

$20.19 USD

$24.23 USD


Brand	National Bearing
Part #	N192043
Condition	New
Warehouse	B

UPC: 724956068227

1978 Pontiac Firebird Manual Transmission Output Shaft Seal National Bearing

Oil Seal
National 9613S Oil Seal
Product Attributes:
- Shaft (Inch): 1.500
- Sealing Material: Nitrile
- Width (Inch): 0.470
- Redicoat: Yes
- Flanged Outside Diameter (Inch): 2.550
- Inside Diameter:
  - 1.500
  - 38.100
- Flanged Outside Diameter (MM): 64.770
- Helix Type: Counter-clockwise-spiral Lip Design
- Unit of Dimension: Inch
- Housing Bore (Inch): 2.377
- Outside Diameter:
  - 2.381
  - 60.480
- Outside Diameter (Inch): 2.381
- Shaft (MM): 38.100
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Additional Fitment Information:

Vehicle	Transmission	Trans. Speed	Transmission Manuf. Code
1978 - Pontiac Firebird	Manual	3	SM326/M15

13 In Stock

Holiday Special

$12.10 USD

$14.52 USD


Brand	National Bearing
Part #	N199613S
Condition	New
Warehouse	B

UPC: 724956211906

1978 Pontiac Firebird Automatic Transmission Extension Housing Seal National Bearing

Oil Seal
National 9613S Oil Seal
Product Attributes:
- Shaft (Inch): 1.500
- Sealing Material: Nitrile
- Width (Inch): 0.470
- Redicoat: Yes
- Flanged Outside Diameter (Inch): 2.550
- Inside Diameter:
  - 1.500
  - 38.100
- Flanged Outside Diameter (MM): 64.770
- Helix Type: Counter-clockwise-spiral Lip Design
- Unit of Dimension: Inch
- Housing Bore (Inch): 2.377
- Outside Diameter:
  - 2.381
  - 60.480
- Outside Diameter (Inch): 2.381
- Shaft (MM): 38.100
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:

12303046, 1243400, 1243401, 1243402, 1353997, 1358899, 1386231, 14053338, 15041, 15527577, 1553102, 15546800, 15581911, 224A132X12, 2601099, 293-72, 29342, 305925...VIEW MORE

Additional Fitment Information:

Vehicle	Transmission	Trans. Speed	Transmission Manuf. Code
1978 - Pontiac Firebird	Automatic	3	THM350

13 In Stock

Holiday Special

$12.10 USD

$14.52 USD


Brand	National Bearing
Part #	N199613S
Condition	New
Warehouse	B

UPC: 724956211906

1978 Pontiac Firebird Manual Transmission Output Shaft Seal National Bearing

Oil Seal
with GMC Saginaw Transmission
National 9613S Oil Seal
Product Attributes:
- Shaft (Inch): 1.500
- Sealing Material: Nitrile
- Width (Inch): 0.470
- Redicoat: Yes
- Flanged Outside Diameter (Inch): 2.550
- Inside Diameter:
  - 1.500
  - 38.100
- Flanged Outside Diameter (MM): 64.770
- Helix Type: Counter-clockwise-spiral Lip Design
- Unit of Dimension: Inch
- Housing Bore (Inch): 2.377
- Outside Diameter:
  - 2.381
  - 60.480
- Outside Diameter (Inch): 2.381
- Shaft (MM): 38.100
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Additional Fitment Information:

Vehicle	Transmission	Trans. Speed
1978 - Pontiac Firebird	Manual	4

13 In Stock

Holiday Special

$12.10 USD

$14.52 USD


Brand	National Bearing
Part #	N199613S
Condition	New
Warehouse	B

UPC: 724956211906

1978 Pontiac Firebird Automatic Transmission Extension Housing Seal National Bearing

Oil Seal
with GMC THM350C Transmission
National 9613S Oil Seal
Product Attributes:
- Shaft (Inch): 1.500
- Sealing Material: Nitrile
- Width (Inch): 0.470
- Redicoat: Yes
- Flanged Outside Diameter (Inch): 2.550
- Inside Diameter:
  - 1.500
  - 38.100
- Flanged Outside Diameter (MM): 64.770
- Helix Type: Counter-clockwise-spiral Lip Design
- Unit of Dimension: Inch
- Housing Bore (Inch): 2.377
- Outside Diameter:
  - 2.381
  - 60.480
- Outside Diameter (Inch): 2.381
- Shaft (MM): 38.100
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Additional Fitment Information:

Vehicle	Transmission	Trans. Speed
1978 - Pontiac Firebird	Automatic	3

13 In Stock

Holiday Special

$12.10 USD

$14.52 USD


Brand	National Bearing
Part #	N199613S
Condition	New
Warehouse	B

UPC: 724956211906

1978 Pontiac Firebird Automatic Transmission Manual Shaft Seal National Bearing

Oil Seal
National 8792S Oil Seal
Product Attributes:
- Inside Diameter:
  - 0.500
  - 12.700
- Shaft (Inch): 0.500
- Sealing Material: Nitrile
- Width (Inch): 0.192
- Unit of Dimension: Inch
- Housing Bore (Inch): 0.751
- Outside Diameter:
  - 0.756
  - 19.200
- Outside Diameter (Inch): 0.756
- Shaft (MM): 12.700
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:

011633, 12304285, 2398409, 24-10-1-218-852, 24-50-1-423-606, 24101218852, 293-65, 47399, 480050, 8623056, 8657163, 8792S, 96040528, A65502S, AH10888, B29915, B37248, N4912...VIEW MORE

Additional Fitment Information:

Vehicle	Transmission	Trans. Speed	Transmission Manuf. Code
1978 - Pontiac Firebird	Automatic	3	THM350


Brand	National Bearing
Part #	N198792S
Condition	New
Warehouse	B

UPC: 724956189588

1978 Pontiac Firebird Automatic Transmission Manual Shaft Seal National Bearing

Oil Seal
with GMC THM350C Transmission
National 8792S Oil Seal
Product Attributes:
- Inside Diameter:
  - 0.500
  - 12.700
- Shaft (Inch): 0.500
- Sealing Material: Nitrile
- Width (Inch): 0.192
- Unit of Dimension: Inch
- Housing Bore (Inch): 0.751
- Outside Diameter:
  - 0.756
  - 19.200
- Outside Diameter (Inch): 0.756
- Shaft (MM): 12.700
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.