JP Group Middle Side Window Seal, Plain | VW Bus Bay Window 1968–1979 | OE 221 845 321 B (JP-8548-0)
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JP Group Middle Side Window Seal, Plain — VW Bus Bay Window 1968–1979 (JP-8548-0)
Short answer: JP Group JP-8548-0 is a plain rubber seal for the fixed middle side window of the VW Bay Window Bus. EMPI lists it for the 1968–1979 Bus (Transporter), left or right side. It replaces VW 221 845 321 B; JP Group ref. 8186101300. It has no groove for chrome trim. Sold each.
Fitment
| Years | Vehicle | Notes |
|---|---|---|
| 1968–1979 | VW Bus (Bay Window) Microbus, Kombi, Panel | Middle side window, left or right, per EMPI |
| 1973–1979 | VW Bus | OE 221 845 321 B is listed by Heritage as the later, thicker 1973–79 profile; fitment to confirm on 1968–72 buses, which used 221 845 321 A |
| 1950–1967 | Split Window Bus | Does not fit |
| 1980–1991 | Vanagon | Does not fit |
Fitment comes from EMPI, the US distributor for JP Group. If your vehicle has been modified or parts have been swapped over the years, compare your old part or the OE number before ordering. Questions? Contact us with your year, model and chassis number and we will check it for you.
Specifications
| Spec | Detail |
|---|---|
| Part number | JP-8548-0 |
| VW OE reference | 221 845 321 B |
| JP Group reference | 8186101300 |
| UPC | 707924528831 |
| Type | Plain seal, no chrome trim groove |
| Position | Middle (center) side window, left or right |
| Material | Rubber |
| Sold as | Each |
| Brand | JP Group (Denmark), distributed in the US by EMPI |
| Condition | New |
| Shipping weight | Approx. 1.0 lb (estimate) |
| Package size | 14 x 10 x 3 in (estimate) |
What's Included
- One middle side window seal.
Not Included
- Glass, chrome insert trim, seal sealant or install cord.
- Order one per window. Most buses have a middle window on each side.
Why It Matters
The fixed side windows on a Bay Window Bus are held in by the rubber seal alone. After forty-plus years the rubber goes hard, shrinks at the corners and cracks along the outer lip. Water then runs down between the glass and the body, rusts the window flange and soaks the interior panels and floor. A loose seal also lets the glass rattle and, in a bad case, the glass can pop out.
Fitting a new seal is the only real fix, and it is best done whenever the window flange is repaired or the bus is painted.
JP Group is a Danish supplier that has specialised in classic Volkswagen and Porsche parts for decades, and EMPI distributes the range in the USA. Their parts are made to match the original design, so they fit without the guesswork that comes with generic replacements.
Installation Notes
- Remove the old seal and glass. Clean and treat any rust on the window flange before fitting the new seal.
- Fit the seal to the glass first, then run a strong cord in the body groove and pull it from inside while a helper presses on the glass from outside.
- Warm the seal in the sun or with warm water so it is soft and easier to fit.
- A little soapy water or rubber lube helps the lip slide over the flange. Do not use oil-based lube.
- Professional installation is recommended if you have not fitted window seals before.
- Follow the factory workshop manual (Bentley or VW) for your model. If in doubt, have a qualified mechanic fit the part.
Frequently Asked Questions
Does it fit my 1972 Bus?
EMPI lists 1968–1979. VW changed to the thicker 221 845 321 B seal for 1973; for a 1968–72 bus, check your old seal or confirm before ordering.
Left or right?
Either side. The middle window seal is the same on both sides.
Does it take chrome trim?
No. This is the plain version with no trim groove.
Is this the same as VW 221 845 321 B?
Yes. EMPI lists 221 845 321 B as the OE reference.
What else do I need?
Install cord and rubber lube. Check the window flange for rust before you fit it.
Is it new?
Yes, new JP Group rubber seal.
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⚠ WARNING (California Proposition 65): This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov. Parts are legal for use on pre-pollution-controlled vehicles only.
