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National 3945 Engine Crankshaft Seal

National 3945 Engine Crankshaft Seal

National
Brand:National
Part Number: 3945
UPC: 724956234332
Weight: 0.09 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the National 3945 Engine Crankshaft Seal for your vehicle. Buy now and secure your purchase online!

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 todays vehicles.

Features and Benefits:

  • Delivers quality and reliable performance for every type of repair
  • Design type: spring loaded; multi-lip
  • Design type: spring loaded; single-lip
  • Low swell in hydrocarbon fluids
  • Provides good low temperature capability
  • Resistance to EP lubricants
  • Temperature range: -20F to 300F / -29C to 49C
  • Temperature range: -40F to 225F; -40C to 107C

Specifications:

Grade Type:
Premium
Helix Type:
Bi-Directional Lip Design
Housing Bore:
3.000 in.
Housing Bore:
76.200 mm
Inside Diameter:
2.330 in.
Inside Diameter:
59.180 mm
Material:
Polyacrylate
Outside Diameter:
3.005 in.
Outside Diameter:
76.330 mm
Part Description:
Oil Seal
Redicoat:
Yes
Series:
3000
Shaft Diameter:
2.330 in.
Shaft Diameter:
59.180 mm
Thickness:
0.400 in.
Thickness:
10.160 mm
Type:
48
Unit of Dimension:
in.
Width:
0.400 in.
Width:
10.160 mm
ACDelco #:
12303932
ACDelco #:
29533
ACDelco #:
296-01
ACDelco #:
296-25
AM General #:
05742152
AM General #:
05743285
AM General #:
5742152
AM General #:
5743285
American Motors Corp (AMC) #:
5365082
American Motors Corp (AMC) #:
J5365082
Chicago Rawhide #:
23300
General Motors #:
03860095
General Motors #:
0704-D104
General Motors #:
10191640
General Motors #:
10191642
General Motors #:
12303932
General Motors #:
23500286
General Motors #:
3860095
Mopar #:
T3839
SKF #:
23300
Timken #:
332271N
Timken #:
3945
Victor Reinz #:
46467
Victor Reinz #:
47572
Victor Reinz #:
48129
Country of Origin:
US

Select a vehicle to narrow National 3945 Engine Crankshaft Seal fitment info!

Last Updated: 09/06/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
AM General Hummer

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

AM General Hummer



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
AM General Hummer

6.5L V8 Diesel OHV
1
 
Front
 
 

AM General Hummer



6.5L V8 Diesel OHV

Front
1 Per Vehicle
AM General Hummer

6.2L V8 Diesel OHV
1
 
Front
 
 

AM General Hummer



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Avanti II

6.6L V8 Gas OHV
1
 
Front
 
 

Avanti II



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet B7

6.5L V8 Diesel OHV Turbo
1
 
Front
 
8th VIN Digit: F
 

Chevrolet B7



6.5L V8 Diesel OHV Turbo

Front 8th VIN Digit: F

1 Per Vehicle
Chevrolet Bel Air

7.4L V8 Gas OHV
1
 
Front
 
0.400 (in) Width
3.005 (in) Outside Diameter
 

Chevrolet Bel Air



7.4L V8 Gas OHV

Front 0.400 (in) Width
3.005 (in) Outside Diameter

1 Per Vehicle
Chevrolet Bel Air

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Bel Air



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Bel Air

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet Bel Air



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Bel Air

7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Bel Air



7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Bel Air

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet Bel Air



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Bel Air

7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Bel Air



7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Biscayne

6.6L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Biscayne



6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Biscayne

7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Biscayne



7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Biscayne

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet Biscayne



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Biscayne

7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Biscayne



7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Blazer

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

Chevrolet Blazer



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
Chevrolet Blazer

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet Blazer



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet Blazer

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Blazer



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Brookwood

6.6L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Brookwood



6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Brookwood

6.5L V8 Gas OHV,
7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Brookwood



6.5L V8 Gas OHV,
7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C10

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C10



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C10

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C10



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C10 Pickup

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C10 Pickup



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C10 Pickup

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet C10 Pickup



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C10 Pickup

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet C10 Pickup



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C10 Suburban

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C10 Suburban



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C10 Suburban

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C10 Suburban



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C10 Suburban

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet C10 Suburban



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C10 Suburban

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet C10 Suburban



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C1500

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

Chevrolet C1500



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
Chevrolet C1500

6.5L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C1500



6.5L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C1500

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C1500



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C1500

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C1500



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C1500 Suburban

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

Chevrolet C1500 Suburban



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
Chevrolet C20

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C20



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C20

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C20



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C20 Pickup

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C20 Pickup



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C20 Pickup

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet C20 Pickup



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C20 Pickup

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet C20 Pickup



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C20 Suburban

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C20 Suburban



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C20 Suburban

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C20 Suburban



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C20 Suburban

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet C20 Suburban



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C20 Suburban

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet C20 Suburban



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C2500

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

Chevrolet C2500



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
Chevrolet C2500

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C2500



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C2500

6.5L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C2500



6.5L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C2500

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C2500



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C2500 Suburban

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

Chevrolet C2500 Suburban



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
Chevrolet C2500 Suburban

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C2500 Suburban



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C30

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C30



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C30

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C30



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C30 Pickup

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C30 Pickup



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C30 Pickup

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet C30 Pickup



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C30 Pickup

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet C30 Pickup



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C3500

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

Chevrolet C3500



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
Chevrolet C3500

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C3500



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet C3500

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet C3500



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet C3500HD

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

Chevrolet C3500HD



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
Chevrolet C3500HD

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet C3500HD



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Camaro

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet Camaro



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Camaro

7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Camaro



7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Camaro

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet Camaro



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Caprice

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Caprice



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Caprice

7.4L V8 Gas OHV
1
 
Front
 
0.400 (in) Width
3.005 (in) Outside Diameter
 

Chevrolet Caprice



7.4L V8 Gas OHV

Front 0.400 (in) Width
3.005 (in) Outside Diameter

1 Per Vehicle
Chevrolet Caprice

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Caprice



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Caprice

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet Caprice



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Caprice

6.5L V8 Gas OHV,
7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Caprice



6.5L V8 Gas OHV,
7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Chevelle

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Chevelle



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Chevelle

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet Chevelle



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Chevelle

6.5L V8 Gas
1
 
Front
 
 

Chevrolet Chevelle



6.5L V8 Gas

Front
1 Per Vehicle
Chevrolet Chevelle

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet Chevelle



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Chevelle

6.5L V8 Gas
1
 
Front
 
 

Chevrolet Chevelle



6.5L V8 Gas

Front
1 Per Vehicle
Chevrolet Chevy II

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet Chevy II



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Corvette

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Corvette



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Corvette

7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Corvette



7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Corvette

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet Corvette



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet El Camino

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet El Camino



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet El Camino

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet El Camino



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet El Camino

6.5L V8 Gas
1
 
Front
 
 

Chevrolet El Camino



6.5L V8 Gas

Front
1 Per Vehicle
Chevrolet El Camino

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet El Camino



6.5L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Estate

6.6L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Estate



6.6L V8 Gas OHV,
7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Estate

6.5L V8 Gas OHV,
7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Estate



6.5L V8 Gas OHV,
7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Express 2500

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

Chevrolet Express 2500



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
Chevrolet Express 3500

6.5L V8 Diesel OHV Turbo
1
 
Front
 
 

Chevrolet Express 3500



6.5L V8 Diesel OHV Turbo

Front
1 Per Vehicle
Chevrolet Express 3500

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Express 3500



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet G10 Van

7.4L V8 Gas,
7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet G10 Van



7.4L V8 Gas,
7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet G20

6.5L V8 Diesel OHV
1
 
Front
 
 

Chevrolet G20



6.5L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet G20

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet G20



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet G20

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet G20



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet G20 Van

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet G20 Van



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet G30

6.5L V8 Diesel OHV
1
 
Front
 
 

Chevrolet G30



6.5L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet G30

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet G30



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet G30

6.2L V8 Diesel OHV
1
 
Front
 
 

Chevrolet G30



6.2L V8 Diesel OHV

Front
1 Per Vehicle
Chevrolet G30

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet G30



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet G30 Van

7.4L V8 Gas,
7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet G30 Van



7.4L V8 Gas,
7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Impala

7.4L V8 Gas OHV
1
 
Front
 
 

Chevrolet Impala



7.4L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Impala

6.6L V8 Gas OHV
1
 
Front
 
 

Chevrolet Impala



6.6L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Impala

7.0L V8 Gas OHV
1
 
Front
 
 

Chevrolet Impala



7.0L V8 Gas OHV

Front
1 Per Vehicle
Chevrolet Impala

6.5L V8 Gas OHV
1
 
Front
 
 

Chevrolet Impala



6.5L V8 Gas OHV

Front
1 Per Vehicle
See More Fitments on Page 2 - or - Select Your Vehicle Above