FOR SALE: Standard Plus DR-437 Distributor Cap – GM 2.5L Iron Duke – NOS or New
type: Unknown Type
Vendor: CorvairFarmer
Description:
🔧 Product Overview: Standard Plus DR-437 Distributor Cap
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Brand: Standard Plus (by Standard Motor Products)
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Part Number: DR-437
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Type: Female Socket-Style Distributor Cap
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Material: High dielectric strength polyester resin with brass terminals
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Color: Black
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Attachment Style: Screw-down
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Function: Routes high-voltage current from the ignition coil to spark plugs in correct firing order
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Country of Origin: USA
🚗 Vehicle Applications
The DR-437 is designed for use in various GM 4-cylinder engines from the 1980s and 1990s. It’s commonly found in:
✅ Confirmed Fitment:
| Make | Models & Engines |
|---|---|
| Chevrolet | S10 Pickup (1982–1993, 2.5L), Cavalier (1982–1994, 2.5L), Celebrity (1982–1989, 2.5L), Beretta (1987–1993, 2.5L), Corsica (1987–1993, 2.5L) |
| Pontiac | 6000 (1982–1991, 2.5L), Sunbird (1982–1994, 2.5L), Grand Am (1985–1991, 2.5L) |
| Buick | Skylark (1982–1991, 2.5L), Somerset (1985–1987, 2.5L) |
| Oldsmobile | Cutlass Ciera (1982–1992, 2.5L), Firenza (1982–1988, 2.5L) |
| GMC | S15 Pickup (1982–1993, 2.5L) |
This cap is specifically designed for GM’s Iron Duke 2.5L 4-cylinder engine, a workhorse used across many compact and mid-size vehicles.
💵 Average Pricing
| Retailer | Price Range |
|---|---|
| Amazon | $13.49 |
| Summit Racing | $12.99 |
| RockAuto | $11.59 |
| O'Reilly Auto | ~$14.00 |
| Home Depot | $10.54 |
