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1985 Chevrolet K20 Suburban
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Lifetime Replacement
1985 Chevrolet K20 Suburban

1985 Chevrolet K20 Suburban Voltage Regulators

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Voltage Regulator - Direct Fit, 12 Volts, Sold individually
WAI®
Voltage Regulator - Direct Fit, 12 Volts, Sold individually
Part Number: WAID101
Guaranteed to Fit
$7.49
Vehicle Fitment
  • 1985 Chevrolet K20 Suburban Scottsdale 8 Cyl 5.7L Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design; Std; With HBW
  • 1985 Chevrolet K20 Suburban Custom 8 Cyl 5.7L Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design; Std; With HBW
  • 1985 Chevrolet K20 Suburban Scottsdale 8 Cyl 5.0L 66 Amp; 78 Amp; Delco 10SI, 42A; Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design
  • 1985 Chevrolet K20 Suburban Silverado 8 Cyl 5.0L 66 Amp; 78 Amp; Delco 10SI, 42A; Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design
  • 1985 Chevrolet K20 Suburban Silverado 8 Cyl 7.4L 37-42 Amp; 78 or 94 Amp; Calif.; Standard/Optional; Federal, With Sgl or Dbl Mtg Foot (Opt HD); Opt. Service Unit, DR 12SI, CW, Self Excite 1 Wire Aftermarket Design
  • 1985 Chevrolet K20 Suburban Silverado 8 Cyl 6.2L 108 Amp; 9:00 Plug Position; Opt. HD; Opt, 78 Amp; Std, 66 Amp
  • 1985 Chevrolet K20 Suburban Scottsdale 8 Cyl 6.2L 108 Amp; 9:00 Plug Position; Opt. HD; Opt, 78 Amp; Std, 66 Amp
  • 1985 Chevrolet K20 Suburban Custom 8 Cyl 6.2L 108 Amp; 9:00 Plug Position; Opt. HD; Opt, 78 Amp; Std, 66 Amp
  • 1985 Chevrolet K20 Suburban Silverado 8 Cyl 5.7L Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design; Std; With HBW
  • 1985 Chevrolet K20 Suburban Scottsdale 8 Cyl 7.4L 37-42 Amp; 78 or 94 Amp; Calif.; Standard/Optional; Federal, With Sgl or Dbl Mtg Foot (Opt HD); Opt. Service Unit, DR 12SI, CW, Self Excite 1 Wire Aftermarket Design
  • 1985 Chevrolet K20 Suburban Custom 8 Cyl 7.4L 37-42 Amp; 78 or 94 Amp; Calif.; Standard/Optional; Federal, With Sgl or Dbl Mtg Foot (Opt HD); Opt. Service Unit, DR 12SI, CW, Self Excite 1 Wire Aftermarket Design
  • 1985 Chevrolet K20 Suburban Custom 8 Cyl 5.0L 66 Amp; 78 Amp; Delco 10SI, 42A; Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design
Product Details
Warranty : WAI limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Voltage : 12 VoltsRecommended Use : OE ReplacementProduct Fit : Direct Fit
Voltage Regulator - Sold individually
Standard®
Voltage Regulator - Sold individually
Part Number: SIVR111T
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 1985 Chevrolet K20 Suburban All Submodels All Engines Except Alt. No. 1117180, 85 Amp, 37, 42, 63, 78, 80, or 94 Amp
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Standard OE Replacement Voltage Regulator - Direct Fit, Sold individually
Standard®
Standard OE Replacement Voltage Regulator - Direct Fit, Sold individually
Part Number: SIVR111
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 1985 Chevrolet K20 Suburban All Submodels All Engines
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementProduct Fit : Direct Fit
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Product Questions & Answers

Standard Voltage Regulator - Sold individually
$14.49
Q:Where is this regulator located ?
Marty R.
A:BEST ANSWERHi Marty, thank you for reaching out. The location of this part is inside the alternator of applicable vehicles. This product is an internal voltage regulator. If your vehicle information matches this product, you can use this link to order the part and take advantage of our low price for this item: https://www.carparts.com/voltage-regulator/standard/sivr111t?can=CPAP3648_CSQA_20240622 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >

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Why Won’t My Car Start?
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Alternator Voltage Regulation 101 (with Wiring Diagrams)
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Bad Voltage Regulator: Symptoms, Testing, Replacement Cost & More
Bad Voltage Regulator: Symptoms, Testing, Replacement Cost & MoreAs most people know, the alternator charges the battery (whenever the engine is running) while also supplying electricity to the car’s electronics. The alternator accomplishes these tasks through electromagnetic induction—a phenomenon that generates electrical current from a magnetic field. The voltage regulator controls the amount of current that flows through the
P2503 Code: Charging System Voltage Low
P2503 Code: Charging System Voltage LowCode P2503 is set once the PCM detects that the alternator output is less than the target charging voltage during engine operation.