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Dorman 490-075 Engine Expansion Plug
for 1978 (please select make/model)

Dorman

 
Brand:Dorman
Part Number: 490-075
UPC: 00019495486756
Weight: 0.38 lbs
Condition:New



On Sale:

$11.98

Availability:
3 in Stock
Warehouse: US-1
Quantity:

Product Information

Description:

Get the Dorman 490-075 Engine Expansion Plug for your 1978. Buy now and secure your purchase online!

Select a vehicle to narrow Dorman 490-075 Engine Expansion Plug fitment info!

Last Updated: 11/10/2017

Years Vehicle Fit NotesFitment Notes

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Buick Regal

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Limited)
VIN: A, 2BBL, Natural
 

Buick Regal



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Limited)
VIN: A, 2BBL, Natural

1979

 

1978

 

1979

 

1978

 
Buick Regal

3.2L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Limited)
VIN: C, 2BBL, Natural
 

Buick Regal



3.2L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Limited)
VIN: C, 2BBL, Natural

1978

 

1978

 
Buick Regal

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Limited)
VIN: U, 2BBL, Natural
 

Buick Regal



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Limited)
VIN: U, 2BBL, Natural

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Buick Skyhawk

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. S)
VIN: A, 2BBL, Natural
 

Buick Skyhawk



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. S)
VIN: A, 2BBL, Natural

1978

 

1978

 
Buick Skyhawk

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req
VIN: 2, 2BBL, Natural
 

Buick Skyhawk



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req
VIN: 2, 2BBL, Natural

1979

 

1978

 

1979

 

1978

 
Buick Skylark

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Custom, S)
VIN: A, 2BBL, Natural
 

Buick Skylark



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Custom, S)
VIN: A, 2BBL, Natural

1978

 

1978

 
Buick Skylark

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Custom, S)
VIN: U, 2BBL, Natural
 

Buick Skylark



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Custom, S)
VIN: U, 2BBL, Natural

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Chevrolet C10 Suburban

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Chevrolet C10 Suburban



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1978

 
Chevrolet C30

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Chevrolet C30



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1978

 
Chevrolet Caprice

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Chevrolet Caprice



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Chevrolet G10

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Sportvan)
VIN: U, 2BBL, Natural
 

Chevrolet G10



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Sportvan)
VIN: U, 2BBL, Natural

1979

 

1978

 

1979

 

1978

 
Chevrolet G30

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Chevrolet G30



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1978

 
Chevrolet Impala

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Chevrolet Impala



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Chevrolet K10 Suburban

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Chevrolet K10 Suburban



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1977

 

1978

 

1977

 
Chevrolet K20

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Chevrolet K20



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1977

 

1978

 

1977

 
Chevrolet K20 Suburban

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Chevrolet K20 Suburban



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1978

 
Chevrolet Malibu

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Classic)
VIN: A, 2BBL, Natural
 

Chevrolet Malibu



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Classic)
VIN: A, 2BBL, Natural

1978

 

1978

 
Chevrolet Malibu

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Classic)
VIN: U, 2BBL, Natural
 

Chevrolet Malibu



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Classic)
VIN: U, 2BBL, Natural

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Chevrolet Monte Carlo

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req
VIN: A, 2BBL, Natural
 

Chevrolet Monte Carlo



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req
VIN: A, 2BBL, Natural

1978

 

1977

 

1978

 

1977

 
Chevrolet Monte Carlo

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Chevrolet Monte Carlo



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Chevrolet Monza

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. 2+2)
VIN: A, 2BBL, Natural
 

Chevrolet Monza



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. 2+2)
VIN: A, 2BBL, Natural

1979

 

1978

 

1979

 

1978

 
Chevrolet Monza

3.2L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. 2+2)
VIN: C, 2BBL, Natural
 

Chevrolet Monza



3.2L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. 2+2)
VIN: C, 2BBL, Natural

1978

 

1977

 

1978

 

1977

 
Chevrolet Monza

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. 2+2)
VIN: U, 2BBL, Natural
 

Chevrolet Monza



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. 2+2)
VIN: U, 2BBL, Natural

1978

 

1978

 
Chevrolet Nova

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Custom)
VIN: U, 2BBL, Natural
 

Chevrolet Nova



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Custom)
VIN: U, 2BBL, Natural

1978

 

1977

 

1978

 

1977

 
GMC C25

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

GMC C25



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1978

 
GMC C25 Suburban

5.0L V8 Gas OHV
Expansion Plug
2 Per Veh
Brass
VIN: U, 2BBL, Natural
 

GMC C25 Suburban



5.0L V8 Gas OHV Expansion Plug
2 Per Veh
Brass
VIN: U, 2BBL, Natural

1978

 

1978

 
GMC C35

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

GMC C35



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
GMC Caballero

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req
VIN: A, 2BBL, Natural
 

GMC Caballero



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req
VIN: A, 2BBL, Natural

1978

 

1978

 
GMC Caballero

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

GMC Caballero



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1977

 

1978

 

1977

 
GMC G15

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req Rally, Vandura Listing
VIN: U, 2BBL, Natural
 

GMC G15



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req Rally, Vandura Listing
VIN: U, 2BBL, Natural

1978

 

1977

 

1978

 

1977

 
GMC K15

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

GMC K15



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1978

 
GMC K15 Suburban

5.0L V8 Gas OHV
Expansion Plug
2 Per Veh
Brass
VIN: U, 2BBL, Natural
 

GMC K15 Suburban



5.0L V8 Gas OHV Expansion Plug
2 Per Veh
Brass
VIN: U, 2BBL, Natural

1978

 

1977

 

1978

 

1977

 
GMC K25

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

GMC K25



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1978

 
GMC K25 Suburban

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

GMC K25 Suburban



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

1978

 

1978

 
Oldsmobile Cutlass

3.8L V6 Gas OHV
Expansion Plug
(1 Req.)
Brass
Oil Gallery Pipe Plug
VIN: A, 2BBL, Natural
 

Oldsmobile Cutlass



3.8L V6 Gas OHV Expansion Plug
(1 Req.)
Brass
Oil Gallery Pipe Plug
VIN: A, 2BBL, Natural

1978

 

1978

 
Oldsmobile Cutlass

5.0L V8 Gas OHV
Expansion Plug
(2 Req.)
Brass
Block
Drain Pipe Plug
VIN: H, 4BBL, Natural
 

Oldsmobile Cutlass



5.0L V8 Gas OHV Expansion Plug
(2 Req.)
Brass
Block
Drain Pipe Plug
VIN: H, 4BBL, Natural

1979

 

1978

 

1979

 

1978

 
Oldsmobile Cutlass Salon

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Brougham, Salon, Salon Brougham)
VIN: A, 2BBL, Natural
 

Oldsmobile Cutlass Salon



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Brougham, Salon, Salon Brougham)
VIN: A, 2BBL, Natural

1978

 

1978

 
Oldsmobile Cutlass Salon

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Brougham, Salon, Salon Brougham)
VIN: U, 2BBL, Natural
 

Oldsmobile Cutlass Salon



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Brougham, Salon, Salon Brougham)
VIN: U, 2BBL, Natural

1978

 

1978

 
Oldsmobile Cutlass Salon

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req Salon, Salon Brougham, Supreme, Supreme Brougham Listing
VIN: H, 4BBL, Natural
 

Oldsmobile Cutlass Salon



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req Salon, Salon Brougham, Supreme, Supreme Brougham Listing
VIN: H, 4BBL, Natural

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Oldsmobile Delta 88

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Royale)
VIN: A, 2BBL, Natural
 

Oldsmobile Delta 88



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Royale)
VIN: A, 2BBL, Natural

1979

 

1978

 

1979

 

1978

 
Oldsmobile Omega

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Brougham)
VIN: A, 2BBL, Natural
 

Oldsmobile Omega



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Brougham)
VIN: A, 2BBL, Natural

1978

 

1978

 
Oldsmobile Omega

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Brougham)
VIN: U, 2BBL, Natural
 

Oldsmobile Omega



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Brougham)
VIN: U, 2BBL, Natural

1978

 

1978

 
Oldsmobile Starfire

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. SX)
VIN: A, 2BBL, Natural
 

Oldsmobile Starfire



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. SX)
VIN: A, 2BBL, Natural

1978

 

1978

 
Oldsmobile Starfire

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. SX)
VIN: U, 2BBL, Natural
 

Oldsmobile Starfire



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. SX)
VIN: U, 2BBL, Natural

1978

 

1978

 
Pontiac Grand Am

5.0L V8 Gas OHV
Expansion Plug
(2 Req.)
Brass
Block
Drain Pipe Plug
VIN: U, 2BBL, Natural
 

Pontiac Grand Am



5.0L V8 Gas OHV Expansion Plug
(2 Req.)
Brass
Block
Drain Pipe Plug
VIN: U, 2BBL, Natural

1978

 

1978

 
Pontiac Grand Prix

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req
VIN: A, 2BBL, Natural
 

Pontiac Grand Prix



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req
VIN: A, 2BBL, Natural

1978

 

1978

 
Pontiac Grand Prix

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. LJ, SJ)
VIN: U, 2BBL, Natural
 

Pontiac Grand Prix



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. LJ, SJ)
VIN: U, 2BBL, Natural

1981

 

1980

 

1979

 

1978

 

1981

 

1980

 

1979

 

1978

 
Pontiac LeMans

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Safari)
VIN: A, 2BBL, Natural
 

Pontiac LeMans



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Safari)
VIN: A, 2BBL, Natural

1978

 

1978

 
Pontiac LeMans

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Safari)
VIN: U, 2BBL, Natural
 

Pontiac LeMans



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. Safari)
VIN: U, 2BBL, Natural

1978

 

1978

 
Pontiac Phoenix

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. LJ)
VIN: A, 2BBL, Natural
 

Pontiac Phoenix



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. LJ)
VIN: A, 2BBL, Natural

1978

 

1978

 
Pontiac Phoenix

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. LJ)
VIN: U, 2BBL, Natural
 

Pontiac Phoenix



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req (Incl. LJ)
VIN: U, 2BBL, Natural

1978

 

1978

 
Pontiac Sunbird

3.8L V6 Gas OHV
EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Safari)
VIN: A, 2BBL, Natural
 

Pontiac Sunbird



3.8L V6 Gas OHV EXPANSION PLUG
Steel, Oil Gallery Pipe, 1 Req (Incl. Safari)
VIN: A, 2BBL, Natural

1978

 

1978

 
Pontiac Sunbird

5.0L V8 Gas OHV
EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural
 

Pontiac Sunbird



5.0L V8 Gas OHV EXPANSION PLUG
Steel, Block-Drain Pipe, 2 Req
VIN: U, 2BBL, Natural

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