1955-1957 Chevy Weatherstrip Guide: Every Rubber Seal on a Tri-Five, by Body Style
A Tri-Five is one of the most rewarding cars to reseal — and one of the easiest to order wrong. The trouble isn't the rubber. It's that "1957 Chevy" covered a 150, a 210, a Bel Air and a Nomad, in two-door and four-door, post-sedan and hardtop and convertible, and the weatherstrip is not the same across those bodies. Order a Bel Air felt kit for a 210 post sedan and half the pieces won't sit right.
This guide walks the whole car — doors, windshield, rear glass — and tells you which seal goes with which body. Every part number here is a real part we stock; the links go straight to the product page.
Start by knowing exactly what you have
Before you order a single seal, pin down three things:
- Trim series — 150, 210, or Bel Air (and Nomad, which is its own animal). This changes felt kits especially.
- Door count — two-door or four-door. Four-doors have extra felt and run-channel pieces.
- Roof style — post sedan, hardtop (no B-pillar), convertible, or wagon. This drives the windshield and rear-glass seals.
With those three answered, the rest of the car falls into place.
Door window felt & run channel — the piece people order wrong
The "fuzzies" — the window felt that wipes the glass, plus the run channels the glass rides in — are sold as a complete kit for all four roll-up windows. Repops splits them by trim, door count, and whether you want the standard or Deluxe set:
- Bel Air 2-door sedan — 10-piece kit (c157), $177.41. All four window felts plus the front rigid run channel.
- Bel Air 2-door sedan — Deluxe 14-piece kit (c158), $262.78. The felts and the complete run-channel set — a total of 14 pieces.
- 150 / 210 2-door post sedan — Deluxe kit (c155), $279.89. Note: the vendor states this kit will not fit a Bel Air sedan or a hardtop — it's specifically the 150/210 post car.
Four-door owners have their own kits — the Bel Air four-door sedan Deluxe (C161) and the 150/210 four-door sedan Deluxe (C147) — because a four-door has more glass to seal.
The short version: 10-piece is felts plus the front run channel; Deluxe adds the full run-channel set. If your run channels are original and still straight, the 10-piece gets you quiet windows for less. If the glass rattles or drops, go Deluxe. We wrote that decision up on its own if you want the detail — and you can browse every felt and run-channel kit in Window Channels & Felt.
Windshield rubber seal — sedan/hardtop vs. convertible
The front glass seal is where the body-style split bites first. Our Tri-Five windshield gasket, wcr394 ($65.27), fits the Bel Air hardtop and 2- or 4-door sedan, plus the 150/210 two- and four-door sedan and the wagon. Its own listing is explicit that it does not fit convertible models — the ragtop uses a different windshield seal, so if you're building a convertible, don't order this one; search your body specifically.
All of our Tri-Five windshield seals live in Windshield Seals. Pair the seal with the correct reveal-molding clips if you're running stainless trim — a fresh gasket with 60-year-old clips is how trim goes crooked. Those are in Molding Clips.
Rear glass — hardtop and sedan take different rubber
The back window follows the same logic as the front: the roof style decides the seal. Two we carry, both stated by body in their own titles:
- Bel Air 2-door hardtop rear window seal (wcrdb397gm), $65.40.
- Bel Air 2/4-door sedan rear window rubber (wbldb395gm), $69.99 (1956-57).
Same car, different roof, different rubber — check whether yours is a pillared sedan or a hardtop before you order. The full category is in Rear Window Seals.
Doors, trunk, and the rest
On-body door weatherstrip (the seal that runs the door opening and keeps water and wind out of the cabin) and the trunk seal round out a full reseal. Both are body-general enough that you're mostly matching the profile and length to your car — start in Door Seals and Trunk Seals. If you're doing the whole car, doing the doors and trunk at the same time as the glass saves you pulling trim twice.
A sane order of operations
- Glass seals first — windshield and rear window, because you may have the glass out anyway.
- Run channels and window felt — with the doors apart, set the glass to run smooth and quiet.
- Door and trunk weatherstrip — the finishing seals that stop wind noise and leaks.
Order the right kit the first time
Ninety percent of Tri-Five weatherstrip returns come down to one of three things: 150/210 vs. Bel Air, two-door vs. four-door, or sedan vs. hardtop vs. convertible. Answer those three before you buy and the rubber fits the first time.
Not sure which body you've got, or want a hand matching a kit to your car? That's what we're here for — reach out and tell us the trim, door count and roof style, and we'll point you at the exact parts.