1966 Chevrolet Impala Engine Crankcase Breather Cap Parts

Choose your Engine for your 1966 Chevrolet Impala


Showing 1 - 9 of 9 products
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Motorad
  • Engine Crankcase Breather Cap
  • Product Attributes:
    • Neck Diameter: 1.62 In
    • Gasket/Seal Material: Na
    • Shell Diameter: 2.41 In
  • Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

This Part Fits the Following OEM/Substitute Numbers:
10061, 11061, 12C17, 14061, 31061, 6410507, 6418507, 6419440, 6419441, 6420743, 6423033, 6424243, 703-1707, 8061, 9MO61, B6AZ6766A, B8QH6766A, C2SZ6766B...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
1966 - Chevrolet Impala V - 8 Cyl 4.6L 283

Mr Gasket
  • Race Only
  • Breather/Oil Filler Cap; Race Only;
  • Breather/Oil Filler Cap
  • Product Attributes:
    • Mounting Hardware Included: No
    • Top Material: Chrome
    • WARNING CA Proposition 65: Yes
    • Flange Thickness: N/a
    • Grommets Included: No
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Baffle Included: No
    • Mounting: Push-in
    • Bolt Pattern: N/a
    • Breather Opening Size: 1.500 In.
    • Breather(s) Included: Yes
    • Grommet(s) Included: No
  • Features:
    • Internally Battled
    • High-Porosity Filter
    • Ideal For High Performance
    • Includes Rubber Grommet
  • This custom, chrome-plated push-on breather/oil filler cap fits over the stock engine oil filler tube. This cap can be used with Mr. Gasket #2066 custom-chrome filler tube for small block Chevys.

Additional Fitment Information:
Vehicle Block CC Engine CID
1966 - Chevrolet Impala V 4638 8 Cyl 4.6L 283

Mr Gasket
  • 2.5 in. Diameter x 2 1/8 in. Height; w/o Logo; 1.22 in. Hole
  • Breather/Oil Filler Cap; 2.5 in. Diameter x 2 1/8 in. Height; w/o Logo; 1.22 in. Hole;
  • Breather/Oil Filler Cap
  • Product Attributes:
    • Top Material: Chrome
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Mounting: Push-in
  • Features:
    • Chrome Plated Steel
    • Internally Baffled With Filter
    • Fits Valve Covers With 1.22 in. Opening
  • This is a high quality original equipment style breather that will give you that original look and is of a high quality. We recommend this for all applications where the original appearance is necessary.

Additional Fitment Information:
Vehicle Block CC Engine CID
1966 - Chevrolet Impala V 6998 8 Cyl 7.0L 427

Mr Gasket
  • Race Only
  • Breather/Oil Filler Cap; Race Only;
  • Breather/Oil Filler Cap
  • Product Attributes:
    • Mounting Hardware Included: No
    • Top Material: Chrome
    • WARNING CA Proposition 65: Yes
    • Flange Thickness: N/a
    • Grommets Included: No
    • Breather Opening Size: 1.500 In.
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Baffle Included: No
    • Breather(s) Included: Yes
    • Mounting: Push-in
    • Bolt Pattern: N/a
  • Features:
    • Internally Battled
    • High-Porosity Filter
    • Ideal For High Performance
    • Includes Rubber Grommet
  • This custom, chrome-plated push-on breather/oil filler cap fits over the stock engine oil filler tube. This cap can be used with Mr. Gasket #2066 custom-chrome filler tube for small block Chevys.

Additional Fitment Information:
Vehicle Block CC Engine CID
1966 - Chevrolet Impala V 4638 8 Cyl 4.6L 283

Mr Gasket
  • 2.5 in. Diameter x 2 1/8 in. Height; w/o Logo; 1.22 in. Hole
  • Breather/Oil Filler Cap; 2.5 in. Diameter x 2 1/8 in. Height; w/o Logo; 1.22 in. Hole;
  • Breather/Oil Filler Cap
  • Product Attributes:
    • Top Material: Chrome
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Mounting: Push-in
  • Features:
    • Chrome Plated Steel
    • Internally Baffled With Filter
    • Fits Valve Covers With 1.22 in. Opening
  • This is a high quality original equipment style breather that will give you that original look and is of a high quality. We recommend this for all applications where the original appearance is necessary.

Additional Fitment Information:
Vehicle Block CC Engine CID
1966 - Chevrolet Impala V 6998 8 Cyl 7.0L 427

Mr Gasket
  • 2.5 in. Dia.; H-2 1/8 in.; with Logo; Race Only
  • Breather/Oil Filler Cap; 2.5 in. Dia.; H-2 1/8 in.; with Logo; Race Only;
  • Breather/Oil Filler Cap
  • Product Attributes:
    • Top Material: Chrome
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Mounting: Push-in
  • Features:
    • Internally Battled
    • High-Porosity Filter
    • Ideal For High Performance
    • Includes Rubber Grommet
  • Replaces original equipment GM (General Motors) breather #6421868 on 1965-1967 GM (General Motors) big block engines.

Additional Fitment Information:
Vehicle Block CC Engine CID
1966 - Chevrolet Impala V - 8 Cyl 7.0L 427

Mr Gasket
  • 2.5 in. Dia.; H-2 1/8 in.; with Logo; Race Only
  • Breather/Oil Filler Cap; 2.5 in. Dia.; H-2 1/8 in.; with Logo; Race Only;
  • Breather/Oil Filler Cap
  • Product Attributes:
    • Top Material: Chrome
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Mounting: Push-in
  • Features:
    • Internally Battled
    • High-Porosity Filter
    • Ideal For High Performance
    • Includes Rubber Grommet
  • Replaces original equipment GM (General Motors) breather #6421868 on 1965-1967 GM (General Motors) big block engines.

Additional Fitment Information:
Vehicle Block CC Engine CID
1966 - Chevrolet Impala V - 8 Cyl 7.0L 427

Mr Gasket
  • Flat Black; 1 in. OD; 5/8 in. Breather Tubes; Integral Metal Baffle/Foam Element Combo; 1.22 in. Hole
  • Breather/Oil Filler Cap; Flat Black; 1 in. OD; 5/8 in. Breather Tubes; Integral Metal Baffle/Foam Element Combo; 1.22 in. Hole;
  • Breather/Oil Filler Cap
  • Product Attributes:
    • Top Material: Chrome
    • WARNING CA Proposition 65:
      • No
      • Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Mounting: Push-in
  • Features:
    • Integral Metal Baffle
    • Grommet Included
  • This chrome plated breather, or oil filler cap, is internally baffled with filter. Very similar to the original equipment breather used on 1965-1967 Chevrolet 396-427 Big Blocks. GM (General Motors) #6421868. Fits valve cover openings with 1.22 inch diameter. Its overall dimensions are 2-1/8 inch tall and 2-1/2 inch in diameter.

Additional Fitment Information:
Vehicle Block CC Engine CID
1966 - Chevrolet Impala V 6998 8 Cyl 7.0L 427

Mr Gasket
  • Flat Black; 1 in. OD; 5/8 in. Breather Tubes; Integral Metal Baffle/Foam Element Combo; 1.22 in. Hole
  • Breather/Oil Filler Cap; Flat Black; 1 in. OD; 5/8 in. Breather Tubes; Integral Metal Baffle/Foam Element Combo; 1.22 in. Hole;
  • Breather/Oil Filler Cap
  • Product Attributes:
    • Top Material: Chrome
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Mounting: Push-in
  • Features:
    • Integral Metal Baffle
    • Grommet Included
  • This chrome plated breather, or oil filler cap, is internally baffled with filter. Very similar to the original equipment breather used on 1965-1967 Chevrolet 396-427 Big Blocks. GM (General Motors) #6421868. Fits valve cover openings with 1.22 inch diameter. Its overall dimensions are 2-1/8 inch tall and 2-1/2 inch in diameter.

Additional Fitment Information:
Vehicle Block CC Engine CID
1966 - Chevrolet Impala V - 8 Cyl 7.0L 427
Showing 1 - 9 of 9 products

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