The 1925 Case Model Y has one listed belt drive part: a Belt from GATES, covering the 6cyl — the only engine offered in the 1925 Case Model Y. It includes a manufacturer part number and application notes.
On the 1925 Case Model Y, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
The part number opens a page with every vehicle that part fits.
Belt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | TR20451 | 🇺🇸 US | Green Stripe Truck & Bus V-BeltS 19/32 x 45 1/2 | View on Amazon |
This table covers the serpentine and accessory belts that drive the front accessories. Typical signs include squeal on cold start, cracks across the ribs, or glazing on the back of the belt. A new belt on a worn tensioner will squeal within weeks — spin the idlers by hand while the belt is off.
One part is listed for the 1925 Case Model Y — GATES TR20451.
Buying Belt Drive Parts for a 1925 Case Model Y
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Confirm you have the 6cyl engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Belt .
Frequently Asked Questions
How many belt drive parts fit the 1925 Case Model Y?
This page lists one belt drive part for the 1925 Case Model Y: a Belt from GATES, covering the 6cyl engine.
What are the signs of belt drive problems on a 1925 Case Model Y?
Common symptoms include squealing on cold start, a belt that shows cracking or glazing, or an accessory that slows under load. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1925 Case Model Y was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1925 Case Model Y?
Every part on this page is matched to the 6cyl engine. Then a new belt on a worn tensioner will squeal within weeks — check tensioner damping and idler bearings while the belt is off. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1925 Case Model Y
Belt Drive Parts for Other Case Model Y Years
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