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Description
Mr. Gasket Push-On Breather - Flat Black - 9810BPOverview: 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. Features: Application: Year Make Model Submodel Engine Size 1964 Buick Electra 425 7 V8 1965 1967 Buick Electra
Overview:
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.
Features:
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1964 | Buick | Electra | 425/7 V8 | |
| 1965 - 1967 | Buick | Electra | ||
| 1965 - 1966 | Buick | Gran Sport | ||
| 1967 | Buick | Gran Sport | 400/6.6 V8 | |
| 1965 - 1967 | Buick | Riviera | ||
| 1965 - 1966 | Buick | Skylark | 401/6.6 V8 | |
| 1967 | Buick | Skylark | 400/6.6 V8 | |
| 1965 - 1967 | Buick | Wildcat | ||
| 1965 | Chevrolet | Biscayne | 409/6.7 V8 | |
| 1963 - 1967 | Chevrolet | Biscayne | 427/7 V8 | |
| 1966 - 1967 | Chevrolet | Caprice | 427/7 V8 | |
| 1966 - 1967 | Chevrolet | Corvette | 427/7 V8 | |
| 1965 | Chevrolet | Impala | 409/6.7 V8 | |
| 1963 - 1967 | Chevrolet | Impala | 427/7 V8 | |
| 1965 | Pontiac | Bonneville | 421/6.9 V8 | |
| 1965 - 1966 | Pontiac | Catalina | 421/6.9 V8 | |
| 1967 | Pontiac | Bonneville | 428/7 V8 | |
| 1967 | Pontiac | Catalina | 428/7 V8 | |
| 1967 | Pontiac | Grand Prix | 428/7 V8 | |
| 1965 | Pontiac | Grand Prix | 421/6.9 V8 | |
| 1965 | Pontiac | Star Chief | 421/6.9 V8 | |
| 1967 | Pontiac | Executive | 428/7 V8 | |
| 1965 - 1967 | Cadillac | DeVille | ||
| 1965 - 1967 | Cadillac | Calais | ||
| 1965 - 1967 | Cadillac | Eldorado | ||
| 1965 - 1967 | Cadillac | Fleetwood | ||
| 1963 - 1967 | Chevrolet | Bel Air | 427/7 V8 | |
| 1965 | Chevrolet | Bel Air | 409/6.7 V8 |
Specs:
| Brand | Mr. Gasket |
|---|---|
| Emission Code | 3 |
| Finish | Black |
| Product Type | Valve Cover Breather |
| Warranty | Limited 90 Day |
| Weight | 0.13 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.4 ★★★★★
Based on 2439 reviews
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Product Reviews
★★★★★ 5
Nice Patek Phillip replica!
Color: Rose gold, Color: Rose gold
Nice watch! Doesn't look cheap. Casual and office wear, both ok. Removing links was easy. Decent size, good on my wrist. These days smaller watches are in trend and it does fit the requirement. Color is fancy. In low light conditions it does get darker hues and it looks even better to me.
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Reviewed in the United States on February 5, 2026
★★★★★ 3
Packaging is most disappointing
Color: Black
Giving a 3-star at the moment because I just received the watch and usually comment on a new collection addition after about a week.
•biggest turn off and cause for 3 star upon receipt is because of packaging. The main box seemed already used and returned or carelessly handled & very basic. How it's advertised & described as well as the image seller portrays of the product, the packaging fails at "luxury" depiction.
•Link removal tool is very basic but this was a $23.00 watch. Because I am a collector I knew to pay attention to how pins are removed and had no problems removing the 4 links required to meet my desired size.
•A few reviews said it's heavy and I'm used to pretty heavy + 44-48mm bezels so to my standards, I wouldn't 100% say it feels cheap(i mean c'mon it is so can't be too judgemental) but it slightly does feel "toyish"
•Bracelet out the package even with plastic all over, came with two dot sized blemishes i keep focusing on and upset at.
•Many reviews said after two hours, the time isn't accurate; thus far, time is fine
•A few reviews said the double clasp is weak. 1 time it did loose but after removing links, ive done a lot of shaking and wrist action to test the clasps and nothing so far to match others experience
•It has a nice appearance, can pass for business and casual
•For a $26.00 watch after taxes I'm not disappointed as of yet besides the blemishes and packaging but will revisit in a week or so.
•I read that the date doesn't keep accurately so I will update review after a trial period
• I will say, if you dress correctly with this piece, I feel it has potential to draw attention from it's design
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Reviewed in the United States on November 3, 2025
★★★★★ 5
All time favorite watch
This watch is amazing for the price. I have had mine for 5 years or so and I wear it regularly. It's very comfortable resin strap. The design of the face is I think stunningly beautiful. Yes that is a bit strong for a $25 watch but the way the globe pops out, the legibility on par with a high priced dive watch and the funcationality of a timer, stop watch, world time and a data bank you will never use, but still.. cool watch!
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Reviewed in the United States on June 16, 2020
★★★★★ 5
Handy
Very easy for old eyes to read, can even see the date if light is good. Light weight for a largish watch. Seems rugged enough for me and the price is right for a beater watch.
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Reviewed in the United States on June 6, 2025
★★★★★ 4
Watch
Tells time
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Reviewed in the United States on June 6, 2026