10 Belt drive parts are listed for the 1966 Fargo D100 Pickup, in 1 part type, covering both the 3.7L 225cid L6 and the 5.2L 318cid V8. Each one has a brand, a manufacturer part number and notes that say where it fits.
The belt drive system on the 1966 Fargo D100 Pickup spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. Every listed part is a Belt.
The 1966 Fargo D100 Pickup was sold with both the 3.7L 225cid L6 and the 5.2L 318cid V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
2 brands supply belt drive parts for the 1966 Fargo D100 Pickup, led by GATES (6 parts) and ACDELCO (4 parts). Quality grades include Standard Replacement and Heavy Duty.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1966 Fargo D100 Pickup. 2 parts have it, including ACDELCO 15490 (Belt) and GATES 7490 (Belt). Each part number opens a page with every vehicle that part fits.
Belt
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 5.2L 318cid V8 | 9447HD | 🇨🇦 CA | Fleet Runner High Capacity V-Belt (Heavy-Duty) | View on Amazon |
| GATES Fits: 5.2L 318cid V8 | 9550HD | 🇨🇦 CA | Fleet Runner High Capacity V-Belt (Heavy-Duty) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 5.2L 318cid V8 | 15490 | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| GATES Popular Fits: 5.2L 318cid V8 | 7490 | 🇨🇦 CA | XL High Capacity V-Belt | View on Amazon |
| ACDELCO Fits: 5.2L 318cid V8 | 17447 | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| ACDELCO Fits: 5.2L 318cid V8 | 17550 | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| GATES Fits: 5.2L 318cid V8 | 9447 | 🇨🇦 CA | XL High Capacity V-Belt | View on Amazon |
| GATES Fits: 5.2L 318cid V8 | 9550 | 🇨🇦 CA | XL High Capacity V-Belt | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.7L 225cid L6 | 15580 | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| GATES Fits: 3.7L 225cid L6 | 7580 | 🇨🇦 CA | XL High Capacity V-Belt | 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.
10 Belt parts for the 1966 Fargo D100 Pickup come from 2 brands — GATES and ACDELCO. The "Popular" part is ACDELCO 15490.
In the Heavy Duty grade, GATES supplies 2 parts: rated for severe service. A representative part number is GATES 9447HD.
In the Standard Replacement grade, ACDELCO and GATES supply 6 parts: built to original-equipment specification. A representative part number is ACDELCO 15490.
2 further parts sit outside the graded sections, with the same engine-level match.
Buying Belt Drive Parts for a 1966 Fargo D100 Pickup
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Match the engine first. Every belt drive part here is engine-specific; each row shows which engine(s) it fits.
- 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 1966 Fargo D100 Pickup?
Our catalog currently lists 10 belt drive parts for the 1966 Fargo D100 Pickup across 1 subcategory and 2 brands, covering both the 3.7L 225cid L6 and the 5.2L 318cid V8. Each part is matched to the engine(s) it fits.
Do belt drive parts differ between 1966 Fargo D100 Pickup engines?
Yes. Every belt drive part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of belt drive problems on a 1966 Fargo D100 Pickup?
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 1966 Fargo D100 Pickup 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 1966 Fargo D100 Pickup?
First match the engine — each row shows which engine(s) the part fits. 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 1966 Fargo D100 Pickup
Belt Drive Parts for Other Fargo D100 Pickup Years
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