Powermaster 17802 GM TPI Chrome Alternator100 Amp
- 100 amp output, GM TPI style
- Chrome finish
- 2 inch mounting foot, 6.61 inch bolt spacing, per the description
- 11.87 pounds item weight
- Made in the U.S.A.
Updated 2 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A chrome alternator made in the U.S.A. for TPI-era GM setups. The listing says little about voltage, pulley or wiring, so verify those before ordering.
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ASIN: B000VVYM2AModel: 17802Category: Alternators
Overview
A chrome housing in the GM TPI pattern defines this Powermaster alternator. The description explains that GM alternators and aftermarket brackets with rod end tensioners generally interchange, thanks to a shared foot width and bolt spacing.
Powermaster pairs a mid-range output rating with the mounting detail that matters for bracket swaps. What it leaves out is wiring style, voltage and pulley, which a builder needs when matching a charging system.
Who it's for
An owner dressing up a GM engine bay, or replacing a TPI-style alternator on an existing bracket, can match the mounting dimensions in the description. Anyone needing a wiring diagram or a higher rating should look at another listing.
Pros and cons
- Common GM mounting dimensions
- Made in the U.S.A.
- Bracket interchange explained
- Wiring style not listed
- Voltage not listed
- Pulley not described
- Output curve not given
Performance notes
Alternator output rises with speed along a curve, so the pulley ratio against engine speed sets how much current is available at idle. The listing supplies no output curve for this unit.
Specifications
| Model | 17802 |
|---|---|
| Dimensions & fit | |
| Mounting foot width | 2 inches |
| Dimensions | 9.4 x 7.6 x 7.3 inches |
| Item weight | 11.87 pounds |
| Power & efficiency | |
| Output | 100 amp |
| Compatibility & installation | |
| Style | GM TPI |
| Other details | |
| Bolt spacing | 6.61 inches |
| Model number | 17802 |
Frequently asked questions
How big is the Powermaster 17802 alternator?
The product dimensions are 9.4 x 7.6 x 7.3 inches. The description adds a 2 inch mounting foot and 6.61 inch bolt spacing.
Which brackets work with the Powermaster 17802?
The description says aftermarket brackets with rod end tensioners interchange across the GM alternator series, with the CS130D using 7.24 inch bolt spacing.
Is the Powermaster 17802 made in the U.S.A.?
Yes. The description says made in the U.S.A.