HomeElectrical, Charging and Starting > Alternator / Generator and Related ComponentsStandard Ignition D-70 Alternator Rectifier Set
Part #: D-70

Standard Ignition D-70 Alternator Rectifier Set

⚙️ 84 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$60.10Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Aerostar, Bronco, Explorer, Ranger, Mustang, Cougar, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, F-150, F-250, F-350, Tempo, Topaz, Bronco II, Escort, Colony Park, Sable, Tracer, Grand Marquis, and Lynx
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable 12-Volt Alternator Rectifier Set for Ford and Mercury Vehicles

The Standard Ignition D-70 Alternator Rectifier Set is designed to restore proper charging system function in select Ford and Mercury models. This 12-volt rectifier set ensures efficient electrical current conversion, supporting your vehicle's alternator performance.

  • Compatible with 12-volt electrical systems
  • Designed for Ford and Mercury vehicles including Aerostar, Bronco, Mustang, and F-150
  • Part number D-70 for precise identification and fitment
  • Restores alternator output by converting AC to DC current
  • Durable construction for consistent electrical performance

Product Details and Compatibility

The Standard Ignition D-70 Alternator Rectifier Set is engineered to work with a range of Ford and Mercury models such as the Bronco II, E-150 Econoline, Explorer, Grand Marquis, and Ranger. This 12-volt rectifier set is a critical component in the alternator assembly, responsible for converting alternating current generated by the alternator into direct current used by the vehicle's electrical system. Using the correct rectifier set like the D-70 helps maintain stable voltage output and prevents electrical system failures.

Common Applications and Issues Addressed

  • Resolves charging system failures due to faulty rectifier diodes
  • Eliminates dimming or flickering dashboard lights
  • Prevents battery drain caused by improper current conversion
  • Addresses alternator overheating linked to rectifier malfunction
  • Improves overall electrical system reliability in Ford and Mercury vehicles

Installation Notes and Tips

Installation of the Standard Ignition D-70 Alternator Rectifier Set requires basic automotive electrical knowledge. Ensure the vehicle's battery is disconnected before beginning work to avoid electrical shock or damage. Verify compatibility with your specific Ford or Mercury model and alternator type. Follow manufacturer torque specifications when securing the rectifier set to avoid damage. Testing the alternator output after installation is recommended to confirm proper function.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The D-70 Alternator Rectifier Set undergoes quality control testing to ensure consistent electrical conductivity and fitment accuracy. Warranty coverage details can be obtained from the product packaging or Standard Ignition documentation, typically covering defects in materials and workmanship.

BrandStandard Ignition
Part NumberD-70
Voltage12

This part fits 84 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1994FordAerostarN/AVoltage Regulator compatible with 75 Amp circuits.
1994FordBroncoN/AVoltage Regulator compatible with 75 Amp circuits.
1994FordExplorerN/AVoltage Regulator compatible with 75 Amp circuits.
1994FordRangerN/AVoltage Regulator compatible with 75 Amp circuits.
1993FordMustang2.3LL4N/AAlt. No. E7PF-ZA, E7SF-FA, MA; 75 Amp
1993FordMustang5.0LV8N/AAlt. No. E7PF-ZA, E7SF-FA, MA; 75 Amp
1993MercuryCougar3.8LV6N/AMotorcraft; Alt. No. E9PF-BA, E9SF-BA; 75 Amp
1992FordAerostarN/A95 Amp
1992FordBroncoN/A95 Amp
1992FordExplorerN/A95 Amp
1992FordMustang2.3LL4N/AAlt. No. E7PF-ZA, E7SF-FA, MA; 75 Amp
1992FordMustang5.0LV8N/AAlt. No. E7PF-ZA, E7SF-FA, MA; 75 Amp
1992FordRangerN/A95 Amp
1992MercuryCougar3.8LV6N/AMotorcraft; Alt. No. E9PF-BA, E9SF-BA; 75 Amp
1992MercuryCougar3.8LV6N/AMotorcraft; Alt. No. E8PFAA; 65 Amp
1991FordAerostarN/A75 or 80 Amp
1991FordBroncoN/A75 or 80 Amp
1991FordE-150 EconolineN/AFits Ford or Motorcraft alternators; 75 Amp
1991FordE-150 Econoline Club WagonN/AFits Ford or Motorcraft alternators; 75 Amp
1991FordE-250 EconolineN/AFits Ford or Motorcraft alternators; 75 Amp
1991FordE-250 Econoline Club WagonN/AFits Ford or Motorcraft alternators; 75 Amp
1991FordE-350 EconolineN/AFits Ford or Motorcraft alternators; 75 Amp
1991FordE-350 Econoline Club WagonN/AFits Ford or Motorcraft alternators; 75 Amp
1991FordExplorerN/A75 or 80 Amp
1991FordF-150N/AFits Ford or Motorcraft alternators; 75 Amp
1991FordF-250N/AFits Ford or Motorcraft alternators; 75 Amp
1991FordF-350N/AFits Ford or Motorcraft alternators; 75 Amp
1991FordMustang2.3LL4N/AAlt. No. E7PF-ZA, E7SF-FA, MA; 75 Amp
1991FordMustang5.0LV8N/AAlt. No. E7PF-ZA, E7SF-FA, MA; 75 Amp
1991FordRangerN/A75 or 80 Amp
1991FordTempoN/AFord or Motorcraft; Alt. No. E7SF-MA; 75 Amp
1991MercuryCougar3.8LV6N/AMotorcraft; Alt. No. E8PFAA; 65 Amp
1991MercuryTopazN/AFord, Leece Neville or Motorcraft; Alt. No. E7SFMA; 75 Amp
1990FordAerostarN/A75 or 80 Amp
1990FordBroncoN/A75 or 80 Amp
1990FordBronco IIN/A75 or 80 Amp
1990FordE-150 EconolineN/AFits Ford or Motorcraft alternators; 75 Amp
1990FordE-150 Econoline Club WagonN/AFits Ford or Motorcraft alternators; 75 Amp
1990FordE-250 EconolineN/AFits Ford or Motorcraft alternators; 75 Amp
1990FordE-250 Econoline Club WagonN/AFits Ford or Motorcraft alternators; 75 Amp
1990FordE-350 EconolineN/AFits Ford or Motorcraft alternators; 75 Amp
1990FordE-350 Econoline Club WagonN/AFits Ford or Motorcraft alternators; 75 Amp
1990FordEscort1.9LL4N/AAlt. No. E73F-BA, E7PF-NA, F0EU-AA; 75 Amp
1990FordEscort1.9LL4N/AAlt. No. E8PF-CB, E9EF-AA; 80 Amp
1990FordF-150N/AFits Ford or Motorcraft alternators; 75 Amp
1990FordF-250N/AFits Ford or Motorcraft alternators; 75 Amp
1990FordF-350N/AFits Ford or Motorcraft alternators; 75 Amp
1990FordMustang2.3LL4N/AAlt. No. E7PF-ZA, E7SF-FA, MA; 75 Amp
1990FordMustang5.0LV8N/AAlt. No. E7PF-ZA, E7SF-FA, MA; 75 Amp
1990FordRangerN/A75 or 80 Amp
1990FordTempo2.3LL4N/AFord or Motorcraft; Alt. No. E73F-BA, E7PF-NA, F0EU-AA; 75 Amp
1990MercuryCougar3.8LV6N/AMotorcraft; Alt. No. E8PFAA; 65 Amp
1990MercuryTopazN/AFord, Leece Neville or Motorcraft; Alt. No. E73FBA; 75 Amp
1989FordBronco5.0LV8N/AVoltage Regulator compatible with 75 Amp circuits.
1989FordBronco5.8LV8N/AVoltage Regulator compatible with 75 Amp circuits.
1989MercuryColony Park5.0LV8N/AFord, Leece Neville or Motorcraft; Exc. Alt. No. E9PF-BA; 75 Amp
1989MercuryCougarN/AFord, Leece Neville or Motorcraft; Exc. Alt. No. E9PF-BA; 75 Amp
1989MercurySableN/AFord, Leece Neville or Motorcraft; Exc. Alt. No. E9PF-BA; 75 Amp
1989MercuryTopazN/AFord, Leece Neville or Motorcraft; Exc. Alt. No. E9PF-BA; 75 Amp
1989MercuryTracerN/AFord, Leece Neville or Motorcraft; Exc. Alt. No. E9PF-BA; 75 Amp
1988FordBronco5.0LV8N/AVoltage Regulator compatible with 75 Amp circuits.
1988FordBronco5.8LV8N/AVoltage Regulator compatible with 75 Amp circuits.
1988MercuryColony Park5.0LV8N/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1988MercuryCougarN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1988MercuryGrand MarquisN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1988MercurySableN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1988MercuryTopazN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1988MercuryTracerN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1987FordBronco5.8LV8N/AVoltage Regulator compatible with 75 Amp circuits.
1987FordBronco5.0LV8N/AVoltage Regulator compatible with 75 Amp circuits.
1987MercuryColony Park5.0LV8N/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1987MercuryCougarN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1987MercuryGrand MarquisN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1987MercuryLynxN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1987MercurySableN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1987MercuryTopazN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1987MercuryTracerN/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1986FordAerostarN/A75 Amp Alternator
1986FordBronco5.8LV8N/AVoltage Regulator compatible with 75 Amp circuits.
1986FordBronco5.0LV8N/AVoltage Regulator compatible with 75 Amp circuits.
1986FordBronco IIN/A75 Amp Alternator
1986FordRangerN/A75 Amp Alternator
1986MercuryLynx1.9LL4N/AAlternator Brush Set fits Ford, Leece Neville, or Motorcraft alternators rated at 75 Amp.
1986MercurySable2.5LL4N/AFord, Leece Neville or Motorcraft

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

20-55542D303488921761AC83DO367E6DZ10304AGY1448SC230

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.