*NEW* Regulator for Delco 21SI, 22SI 3 Wire 12V
- FEATURE 1:100% New Transpo
- NOTE 1:3-wire system, w/o webbed terminals, w/o stud, w/ MOSFET field transistor.
- NOTE 2:With Flat TempCo
- NOTE 3:D21N-1 similar to D691 except D691 with Temperature Compensation.
- SPECS FOR:Delco 21SI, 22SI Series IR/EF Alternators
- SPECS:12 Volt, A-Circuit, 14.0 Vset
Replaces: 8040-6244 D21 D21N D21N-1 Delco 10470886, 1116438, 1116439, Original Reference Number 438, 4381A25, 439
Used On: Chevrolet (1989-2002) ** Freightliner (1999-2012) ** GMC (1989-2002)
