Extension Housing Bushings Buying Guide — Cheap OEM Replacement Parts for Sale | REVXSC
Looking for cheap extension housing bushings that won't fail in 6 months? Whether you're chasing ford 4r70w extension housing bushing replacement, transmission tailshaft bushing leaking fluid, how to replace rear transmission bushing, extension housing bushing tool ford, best heavy duty tailshaft bushing, this guide covers what to buy, what to skip, and how to make sure the part you order actually fits your truck or car. Every extension housing bushing sold at REVXSC ships with a verified year/make/model/engine fitment table — no guessing.
What extension housing bushings actually do
In one sentence: the cylindrical bushing inside the tailshaft of your transmission that supports the driveshaft slip yoke and rides against the seal. When they wear out, you'll typically feel it before you see it — your car starts telling you something is wrong, and ignoring it gets expensive.
Signs you need new extension housing bushings
- transmission fluid leaking from the tailshaft seal
- vibration that increases with vehicle speed
- clunk on acceleration or deceleration
- scored or grooved driveshaft slip yoke
- visible wear or copper showing inside the bushing bore
If you tick more than one box, replace before it leaves you on the side of the road. The repair gets a lot cheaper when you catch it early.
Also known as
Depending on the shop manual, region, or supplier you're reading, extension housing bushings are also called: tailshaft bushing, tail housing bushing, rear transmission bushing, output shaft bushing, slip yoke bushing. They all refer to the same component — when you're cross-referencing OEM and aftermarket part numbers, watch for these naming variations so you don't double-order the same item.
How much should you pay?
Online direct-ship from REVXSC undercuts dealer parts counters significantly. We carry quality replacement extension housing bushings from Dura-Bond, Pioneer, Sonnax, ACDelco, ATP, National, Timken, SKF — every listing shows the price, the fitment chart, and real product photos. No mystery part numbers.
Featured extension housing bushings in stock right now
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OEM vs aftermarket: which to choose
For extension housing bushings, the brand actually matters. Dura-Bond and Pioneer supply major automakers as OEM suppliers — when you buy their boxed retail product, you're getting the same engineering and tolerances. Pick standard sintered bronze bushings for OE-grade replacement or bi-metal bushings with overlay material for heavy-duty and towing service..
Install: DIY or shop?
Difficulty: intermediate. Bay time runs about 60–150 minutes with the right tools. Lifespan you should expect: 100,000-200,000 miles.
How REVXSC keeps prices low
Every listing includes a year/make/model/engine table.
ACDelco, Bosch, Dorman, Dayco, FEL-PRO and more.
Ships from US warehouses with real tracking.
No knockoff boxes, no rebranded junk.
Extension Housing Bushings shipping to every US state
REVXSC ships extension housing bushings same-day from US fulfillment to every state. Whether you're chasing salt-corroded extension housing bushings in the Midwest, heat-fatigued parts in the Southwest, or just need a fast OEM-grade replacement, every order ships from the US with tracking. We deliver to:
Common questions Americans ask about extension housing bushings
How much does an extension housing bushing cost?
The bushing itself is cheap at $5-$20 from Pioneer or Dura-Bond. A new tail seal adds another $10-$15. Total parts cost is usually under $40, but the labor to drop the driveshaft and pull the bushing brings shop bills to $200-$400.
What causes the tailshaft bushing to fail?
Worn driveshaft U-joints, a bent driveshaft, or a bad center support bearing all transfer side load into the slip yoke. That eats the bushing, then the seal, then leaks fluid. Always inspect the driveshaft when replacing the bushing.
How do I know if my extension housing bushing is bad?
You'll see transmission fluid leaking from the tail seal even after you replace the seal, plus a vibration on acceleration. Pull the slip yoke and check the bushing bore for grooves, copper showing through, or play.
Can I replace the bushing without dropping the transmission?
Yes. Drop the driveshaft, slide it out of the tail housing, then use a bushing puller or slide hammer to remove the old bushing. Drive in the new one and seal, then reinstall the driveshaft.
How long does it take to replace an extension housing bushing?
A DIYer can do the job in 1.5-2.5 hours with basic tools and a bushing driver. Shops typically quote 1-2 hours of labor. Add time if your driveshaft slip yoke needs polishing or replacement.
Do I need to replace the tail seal with the bushing?
Always. Once the bushing has worn enough to cause a leak, the seal lip is also damaged or hardened. Bushings and seals are designed to be replaced as a pair for this reason.
What does the extension housing bushing do?
It is a precision sleeve bearing that supports the driveshaft slip yoke as it slides in and out of the transmission. It keeps the yoke centered so the seal can do its job without leaking fluid.
Why is my new tailshaft seal still leaking?
Nine times out of ten the bushing is worn and the slip yoke is wobbling, which tears up the new seal. Always inspect the bushing when you replace the seal, otherwise the leak comes right back.
Can a bad tailshaft bushing damage the transmission?
Indirectly yes. The leaking seal can drain enough fluid to cook the clutches if you do not catch it. The wobbling yoke also stresses the rear bearing in the case over time.
Top US searches for extension housing bushings
Most-searched phrases from American shoppers comparing extension housing bushings this year — all of these are served by what REVXSC stocks:
This guide is updated as our extension housing bushings inventory and fitment data change. Last reviewed 2026-06-28.