Cometic Chevy 1955-1985 Gen1 Small Block V8 Rear Main Seal-Align Honed 400 & Aluminum Block-2 Piece
Cometic Chevy 1955-1985 Gen1 Small Block V8 Rear Main Seal-Align Honed 400 & Aluminum Block-2 Piece
A$116.51
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Description
IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Cometic Gasket, Cometic, Cometic Gasket Automotive, Cometic Gasket Marine, Cometic Gasket Powersports, COMETIC GASKETS, Cometic Powersport Gaskets StreetFX SKU cgsC5681 SFX Item ID 4174000 Accounting SKU cgs-C5681 Manufacturer SKU C5681 Manufacturer UPC 191070023058 Alternative References C5681, CAGC5681, CGT-C5681
Rear Main Seal - 2-Piece - Rubber - 400 Block - Align Honed - Small Block Chevy - Each
Rear Main Seal
COMETIC Viton is a fluoroelastomer, or high end rubber. Top of the scale for heat resistance, chemical resistance and durability. Viton with Larger 2.841" O.D.
Additional Information
Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal; Align Honed 400/Aluminum Block; 2 Piece
Part Type
Engine Crankshaft Seal
Features and Benefits
- All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
- Durability
Product Details
| Description: | Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal |
| Engine Block Configuration: | Aluminum Blocks |
| Engine: | GM Gen I Small Block V8 400ci |
| Material: | Viton Rubber |
| Part Number: | cgsC5681 |
| Position: | Rear |
| Rear Main Seal Style: | 2 piece rear main seal |
| Title: | Cometic Gasket Automotive Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal, Align Honed 400 & Aluminum Block, 2 Piece |
Product Overview
| Additional Application Notes | |
|---|---|
| • Align Honed and Aluminum Block; 2.841 in. OD; 2 pc. | |
These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.
Product Downloads
| # | Document Type | Download |
|---|---|---|
| 1. | Installation Instructions |
|
Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.
Product Overview
COMETIC Viton is a fluoroelastomer, or high end rubber. Top of the scale for heat resistance, chemical resistance and durability. Viton with Larger 2.841" O.D.
Features and Benefits
- Durability
Product Details
| Description: | Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal |
|---|---|
| Engine Block Configuration: | Aluminum Blocks |
| Engine: | GM Gen I Small Block V8 400ci |
| Material: | Viton Rubber |
| Part Number: | cgsC5681 |
| Position: | Rear |
| Prop 65 (C, R or CR): | CR |
| Prop 65 - Short Label: | Prop_65.jpg |
| Prop 65 Warning Label: | Prop_65.jpg |
| Prop 65 Yes/No: | Yes |
| Rear Main Seal Style: | 2 piece rear main seal |
| Title: | Cometic Gasket Automotive Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal, Align Honed 400 & Aluminum Block, 2 Piece |
| WARNING CA Proposition 65 Message: | The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects. For more information; visit www.p65Warnings.ca.gov |
| WARNING CA Proposition 65: | Yes |
Part Type
Engine Crankshaft Seal
Features
- All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
- Durability
Specifications
Engine Crankshaft Seal
Keep your oil from escaping with rear main seals from Cometic Gasket. If you have a wet spot on the rear of your oil pan, spots on your driveway, or garage floor, or worse, an oil-covered transmission, then you'd better get rear main seals from Cometic. They are made from heat-resistant, chemical-resistant Viton® material and are available in one and 2-piece seal styles. When you need superior gaskets for your high performance vehicle, Cometic has the gaskets and rear main seals to fit your application.
| Product Attributes | |
|---|---|
| Brand | Cometic |
| Manufacturer's Part Number | C5681 |
| Part Type | Rear Main Seals |
| Product Line | Cometic Rear Main Seals |
| UPC | 191070023058 |
| Rear Main Seal Style | 2-piece |
| Rear Main Seal Material | Rubber |
| Quantity | Sold individually. |
| Notes | Designed to fit align honed blocks with a bore diameter of 2.841 in. |
Product Details
| Description: | Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal |
|---|---|
| Engine Block Configuration: | Aluminum Blocks |
| Engine: | GM Gen I Small Block V8 400ci |
| Material: | Viton Rubber |
| Part Number: | cgsC5681 |
| Position: | Rear |
| Prop 65 (C, R or CR): | CR |
| Prop 65 - Short Label: | Prop_65.jpg |
| Prop 65 Warning Label: | Prop_65.jpg |
| Prop 65 Yes/No: | Yes |
| Rear Main Seal Style: | 2 piece rear main seal |
| Title: | Cometic Gasket Automotive Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal, Align Honed 400 & Aluminum Block, 2 Piece |
| WARNING CA Proposition 65 Message: | The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects. For more information; visit www.p65Warnings.ca.gov |
| WARNING CA Proposition 65: | Yes |
Reference Information
| Brand Name/s | Cometic Gasket |
|---|---|
| StreetFX SKU | cgsC5681 |
| SFX Item ID | 4174000 |
| Supplier Item Code | 4174000 |
| Manufacturer SKU | C5681 |
| Manufacturer UPC | 191070023058 |
| Alternative References | CAGC5681, CGT-C5681, Gen1, Block-2 |
Brochures
Compatibility
| Cometic Chevy 1955-1985 Gen1 Small Block V8 Rear Main Seal-Align Honed 400 & Aluminum Block-2 Piece | ||||
|---|---|---|---|---|
| Year Range | Make | Model | Submodels | Region |
| 1980-1985 | Avanti | II | Base, GT | US |
| 1980 | Buick | Century | Base, Estate, Limited | US |
| 1980 | Buick | Regal | Base, Limited | US |
| 1980-1982 | Checker | Marathon | Base, Deluxe | US |
| 1980-1986 | Chevrolet | C10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado, Big Ten, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | C10 Suburban | Custom Deluxe, Scottsdale, Silverado, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | C20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale, Silverado, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | C30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | Camaro | Base, Berlinetta, Rally Sport, Z28, Sport, Z28 Indianapolis 500 Pace Car, Iroc-Z | US |
| 1980-1986 | Chevrolet | Caprice | Classic, Classic Landau, Classic Sport, Classic Estate, Base, Classic Brougham | US |
| 1980-1982 | Chevrolet | Corvette | Base, Collector's Edition | US |
| 1984-1986 | Chevrolet | Corvette | Base, Indianapolis 500 Pace Car | US |
| 1980-1986 | Chevrolet | El Camino | Base, Royal Knight, SS, Conquista | US |
| 1980-1986 | Chevrolet | G10 | Beauville, Chevy Van, Sportvan, Bonaventure, Base | US |
| 1980-1986 | Chevrolet | G20 | Beauville, Chevy Van, Sportvan, Nomad, Bonaventure | US |
| 1980-1986 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube, Sportvan, Bonaventure | US |
| 1980-1985 | Chevrolet | Impala | Base, Sport, Estate | US |
| 1980-1986 | Chevrolet | K10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | K10 Suburban | Custom Deluxe, Scottsdale, Silverado, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | K20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | K20 Suburban | Custom Deluxe, Scottsdale, Silverado, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | K30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado, Custom, Deluxe | US |
| 1980-1986 | Chevrolet | K5 Blazer | Cheyenne, Custom Deluxe, Silverado, Custom, Deluxe, Scottsdale | US |
| 1980-1983 | Chevrolet | Malibu | Base, Estate, Sport, Classic, Classic Estate, Classic Landau, Classic Sport | US |
| 1980-1986 | Chevrolet | Monte Carlo | Landau, Sport, Base, CL, SS, LS | US |
| 1983-1986 | Excalibur | Phaeton | Base, Anniversary | US |
| 1980-1986 | GMC | C1500 | Base, High Sierra, Sierra Classic, Sierra Grande, Street Coupe, Heavy Half | US |
| 1980-1986 | GMC | C1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | US |
| 1980-1986 | GMC | C2500 | Base, High Sierra, Sierra Classic, Sierra Grande | US |
| 1980-1986 | GMC | C2500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | US |
| 1980-1986 | GMC | C3500 | Base, High Sierra, Sierra Classic, Sierra Grande | US |
| 1980-1986 | GMC | Caballero | Base, Diablo, Laredo, Amarillo, Conquista, Royal Knight | US |
| 1980-1986 | GMC | G1500 | Rally, Rally STX, Vandura, Rally Custom | US |
| 1980-1986 | GMC | G2500 | Rally, Rally STX, Vandura, Rally Custom | US |
| 1980-1986 | GMC | G3500 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special, Rally Custom | US |
| 1980-1986 | GMC | Jimmy | Base, High Sierra, Sierra Classic, Sierra Grande, Street Coupe | US |
| 1980-1986 | GMC | K1500 | Base, High Sierra, Sierra Classic, Sierra Grande | US |
| 1980-1986 | GMC | K1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | US |
| 1980-1986 | GMC | K2500 | Base, High Sierra, Sierra Classic, Sierra Grande | US |
| 1980-1986 | GMC | K2500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | US |
| 1980-1986 | GMC | K3500 | Base, High Sierra, Sierra Classic, Sierra Grande | US |
| 1980 | Oldsmobile | Cutlass | Base, LS, Brougham | US |
| 1980 | Oldsmobile | Cutlass Calais | Base | US |
| 1980 | Oldsmobile | Cutlass Cruiser | Base, Brougham | US |
| 1982 | Oldsmobile | Cutlass Cruiser | Base | US |
| 1980 | Oldsmobile | Cutlass Salon | Base, Brougham | US |
| 1980 | Oldsmobile | Cutlass Supreme | Base, Brougham | US |
| 1983-1986 | Pontiac | Bonneville | Base, Brougham, LE | US |
| 1980-1986 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am, S/E | US |
| Note: Displaying first 50 entries. | ||||
Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.
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