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#91045840
Rear Axle Breather
- Stop lube from being thrown out of rear axle housing
- Vents heat and additional pressure from your rear end assembly
- 7/16"-20 thread
$11.49
/each
In Stock
Quantity
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Product Summary
Universal Fit, 1.00" Body Length, .25" Thread Length
- Stop lube from being thrown out of rear axle housing
- Vents heat and additional pressure from your rear end assembly
- 7/16"-20 thread
Need To Know
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855.313.9176Quick and Easy Returns
Return PolicySpeedway Motors 91045840 Details
Speedway Motors 91045840 Details
This rear axle breather will stop lube from being flung out of rear axle housing. Allows "breathing" of rear axle assembly. 7/16"-20 thread. Polished!!.
Install with thread sealant or Teflon tape. Can be used on various applications with appropriate plumbing components.
Application
- You will have to drill and tap rear cover 92547004 to use this breather.
Specs
Speedway Motors 91045840 Specifications
Speedway Motors 91045840 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91045840 |
| Brand | Speedway Motors |
| GENERAL | |
| Body Length | 1.00" |
| Thread Length | .25" |
| Material Type | Aluminum |
| Finish | Polished |
| Sold in Quantity | Each |
Ratings & Reviews
4.7
26 Reviews
Customers appreciate our product for its perfect fit, ease of installation, and utility in various applications such as venting non-vented axles and replacing original setups. Customers note the product's high-quality finish and how it serves their needs well. The threaded aluminum tube and the cap of the product are praised for their simplicity and functionality. Customers emphasize that our product's quality and usability outperform OEM parts with no vent hose needed. Its aesthetic appeal was also highlighted, contributing to an overall positive customer experience. Some customers mentioned the need for improvement in construction and universality, but overall the product brilliantly solved venting issues.
Ratings & Reviews
4.7
26 Reviews
Customers appreciate our product for its perfect fit, ease of installation, and utility in various applications such as venting non-vented axles and replacing original setups. Customers note the product's high-quality finish and how it serves their needs well. The threaded aluminum tube and the cap of the product are praised for their simplicity and functionality. Customers emphasize that our product's quality and usability outperform OEM parts with no vent hose needed. Its aesthetic appeal was also highlighted, contributing to an overall positive customer experience. Some customers mentioned the need for improvement in construction and universality, but overall the product brilliantly solved venting issues.
4.6
26 reviews
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Most Liked Positive Review
4.0
Should work as it it should
The threaded portion is just that, a threaded aluminum tube, I would expected to see flats on it to use for installing it, I had to use pliers. The cap is nice, but like the tube is pretty simple, it just slides over the tube and the venting is accomplished by the size difference between the cap ID and the tube OD and how much the set screw pushes it over.
Most Liked Negative Review
2.0
Could be improved tp be more universal
7/16X20 thread is kind of an odd size?? Does not fit the hole in a standard Ford 9" housing, which is probably one of the more common housing used. You could solve this problem if you included some threaded adaptors to fit all housing holes. I made one so I could use it on my Ford 9" housing ( 1/2X20 size hole). You owe me!!!
Filter by Ratings
Yes
5.0
4 months ago
Bob
Victorville California 92394
Verified
As it was intended to be used as a vent source for a Differential
Would Recommend
Fit like a glove
5.0
3 years ago
TROUBLEMAKER
NC
Verified
Perfect fit!
Would Recommend
Good addition to a non vented axle.
5.0
3 years ago
RB35
EC, MD
Verified
Used this to vent a '40 ford rear axle.
Would Recommend
Fit my for 9" with no issues.
5.0
4 years ago
Jason
Monroe NC
Fit ford 9" with no problems. Thread was correct thread.
Would Recommend
Yes, I would
4.0
4 years ago
Dgrano
La Junta, CO
Verified
Vent for 9" rear end
Would Recommend
Great replacement
5.0
5 years ago
Zephyr Racer
New England
Verified
Allows you to clean up the original setup with the brass block and ugly hose
I would buy this product again
5.0
7 years ago
tj
canada
Verified
Nice finish, serves the need well.
Would Recommend
Should work as it it should
4.0
7 years ago
Gtown Dean
Central Texas
Verified
The threaded portion is just that, a threaded aluminum tube, I would expected to see flats on it to use for installing it, I had to use pliers. The cap is nice, but like the tube is pretty simple, it just slides over the tube and the venting is accomplished by the size difference between the cap ID and the tube OD and how much the set screw pushes it over.
Would Recommend
I love this product, good quality and good looks
5.0
7 years ago
Bob
Jonesboro,Ar.
Verified
Vent on my ford rearend . Easy to install.
Would Recommend
I would buy this part again
5.0
8 years ago
Butch
Memphis,TN
Verified
Very nice part compared to the OEM part . No vent hose needed.
Would Recommend
Showing 10 of 26 reviews
Questions & Answers
Questions & Answers
7 Questions • 8 Answers
Where would you recommend installing this on a banjo rearend? Thanks
by Ian
• 8 years ago
1 answer
View Answer
I have stock 1958 pontiac. The old parts book calls for a GM# 530301, which is a 7//16 x 20 x 9/16 part. Of course does not look like this part. Could this work?
by Roy
• 9 years ago
1 answer
View Answer
will this fit a stock chevy 12 bolt rear axle?
by John
• 9 years ago
1 answer
View Answer
Will this fit in the stock hole on a ford 8" or 9" rear axle? I have a ford 8" or 9" rear axle with no vent on the housing. Will this breather screw into the stock hole on the rear axle ( it is on the driver side, top of the axle tube ). I need something to put into this hole without redrilling anything. Thanks!!!!
by tbucketdon
• 12 years ago
2 answers
View Answers
Thread type and size I'm assuming its NPT. What size thread? 1/4? Or? That info was not included in the specs. Mine is already drilled and taped.
by 1badchicken
• 13 years ago
1 answer
View Answer
Rear Axle Breather I purchased a Currie 9-inch Ford rear end from Speedway. Will the above (rear axle breather - 7/16, 20 thread part work with previous Currie rear end? Is it the same thread?
by DooWopDan
• 13 years ago
1 answer
View Answer
Can the threaded part of the vent be lengthened? I need enough thread to go through brake line junction block then into the housing.
by ken
• 14 years ago
1 answer
View Answer
7 of 7 questions shown