Obsolete Parts. Absolute Quality.

  • My Account
    • Login
    • Sign Up
  • 0
Toggle menu
Old Car Parts NW LLC (OCPNW)
×
×

    Shop By Category

  • Tools of the Trade
  • Suspension
    • Ball Joints & Pins
    • Bushings & Parts
    • Control Arms
    • Shocks & Springs
    • Steering
    • Other Suspension
  • Fuel System
    • Air & Fuel Mixing
    • Fuel Delivery
    • Tanks & Lines
  • OEM Parts
    • Genuine Ford
    • Genuine Delco
    • Genuine Mopar
    • Delco Motors
    • Buick
  • Cooling & Heating
    • Air Conditioning
    • Engine Cooling
    • Heating & Climate
  • Brake Parts
    • Brake Hardware
    • Hydraulics & Power
    • Lines & Cables
  • Electrical
    • Antennas
    • Ignition Parts
    • Temp Senders
    • Start & Charge
    • Relays & Fuses
    • Horns & Parts
    • Lighting
    • Switches
    • Window Motors
    • Wiring Harness
  • Engine Parts
    • Timing
    • Mufflers
    • Engine Internals
    • Lubrication
    • Gaskets & Seals
    • Belts & Pulleys
    • Motor/Trans Mounts
    • Emissions
    • OTHER
  • Exterior Parts
    • Body & Trim
    • Lighting
    • Panels
    • Wipers
  • Interior Parts
    • Cables
    • Dash & Gauges
    • Locks & Latches
    • Pedals
    • Safety & Belts
  • Transmission
    • Clutch
    • Internal Parts
    • Trans Hardware
  • Wheels & Driveline
    • Axle Parts
    • Bearings & Seals
    • Driveshaft
  • Wiper Blades / Refills
  • Books & Manuals
  • Shop By Brand

  • Moog
  • Aftermarket Replacement
  • Mopar
  • Wagner
  • Shee-Mar
  • Standard
  • Stant
  • Ford
  • Delco
  • Doan / Anchor
  • TRW
  • Delco Remy
  • Four Seasons
  • Motorcraft
  • Federal Mogul
  • Carter
  • Timken
  • General Motors
  • Bower
  • Everhot - Everco
  • Johnson
  • Carlson
  • Michigan
  • GM
  • Gates
  • Autolite
  • Cloyes
  • AC Delco
  • Victor
  • AC
  • Fel-Pro
  • Green
  • Vulcan
  • Hoover
  • McQuay-Norris
  • Lisle
  • New Departure
  • Weatherhead
  • Lempco
  • Buick
  • Toledo
  • Sealed Power
  • EIS
  • Borg Warner
  • Atlas
  • United Delco
  • Tyson
  • Dayco
  • SKF
  • Tung-Sol
  • Accurate
  • Delco-Remy
  • Bendix
  • Raybestos
  • Thompson Products
  • Permite
  • Dole
  • L&S
  • Niehoff
  • ProvenValu
  • Anco
  • BCA
  • unknown
  • FAFNIR
  • Hygrade
  • Monmouth
  • Coronet
  • Delco NDH
  • Fasco
  • Hoof
  • Link-Belt
  • Unbranded
  • ABC
  • Airtex
  • Auto-Lite
  • Echlin
  • Federated
  • KEM
  • Spectre Performance
  • Mr. Gasket
  • Toledo Steel
  • Tull Company
  • Borg-Warner
  • Napa
  • Republic
  • Wohlert
  • Cy-Lent
  • Hyatt
  • P&D
  • Thompson
  • Tow-Well
  • TRW Thompson Products
  • Westinghouse
  • Whitney
  • Amgauge
  • AMKO
  • Doan
  • Green Ball Bearing
  • Green Ball Bearing Co.
  • Jamco
  • View all Brands
  • Main Menu

  • Turn Signal Part Finder Catalog
  • Useful Info
    • TS-9 to TS-16 Turn Signal Repair Cam Instructions
    • TS160B Universal Turn Signal Switch Instructions
    • Turn Signal / Water Pump Fitment
    • TS102 Wire Color Specifications
    • Parts Condition Guide
    • Buick Info
    • Classic Oldsmobile
    • Classic Car Club
    • Mopar Chat Forums
    • AACA Forums
    • Ford Muscle Forums
    • Jalopy Journal
    • Mopar Info
    • Ford Links
      • Decoding Ford Part Numbers
      • Model A Head Gasket Chart
    • Vehicle VIN Lookup
    • Imperial Seals fractions to decimals
    • National Oil and Grease Seals -- Types and Applications
      • Victor Reinz Part Number System
  • Contact Us
  • About Us
  • Shipping & Returns
  • Disclaimer
  • Blog
  • Gift Certificates
  • Login or Sign Up

    Shop By Category

  • Tools of the Trade
  • Suspension
    • Ball Joints & Pins
    • Bushings & Parts
    • Control Arms
    • Shocks & Springs
    • Steering
    • Other Suspension
  • Fuel System
    • Air & Fuel Mixing
    • Fuel Delivery
    • Tanks & Lines
  • OEM Parts
    • Genuine Ford
    • Genuine Delco
    • Genuine Mopar
    • Delco Motors
    • Buick
  • Cooling & Heating
    • Air Conditioning
    • Engine Cooling
    • Heating & Climate
  • Brake Parts
    • Brake Hardware
    • Hydraulics & Power
    • Lines & Cables
  • Electrical
    • Antennas
    • Ignition Parts
    • Temp Senders
    • Start & Charge
    • Relays & Fuses
    • Horns & Parts
    • Lighting
    • Switches
    • Window Motors
    • Wiring Harness
  • Engine Parts
    • Timing
    • Mufflers
    • Engine Internals
    • Lubrication
    • Gaskets & Seals
    • Belts & Pulleys
    • Motor/Trans Mounts
    • Emissions
    • OTHER
  • Exterior Parts
    • Body & Trim
    • Lighting
    • Panels
    • Wipers
  • Interior Parts
    • Cables
    • Dash & Gauges
    • Locks & Latches
    • Pedals
    • Safety & Belts
  • Transmission
    • Clutch
    • Internal Parts
    • Trans Hardware
  • Wheels & Driveline
    • Axle Parts
    • Bearings & Seals
    • Driveshaft
  • Wiper Blades / Refills
  • Books & Manuals
  • Shop By Brand

  • Moog
  • Aftermarket Replacement
  • Mopar
  • Wagner
  • Shee-Mar
  • Standard
  • Stant
  • Ford
  • Delco
  • Doan / Anchor
  • TRW
  • Delco Remy
  • Four Seasons
  • Motorcraft
  • Federal Mogul
  • Carter
  • Timken
  • General Motors
  • Bower
  • Everhot - Everco
  • Johnson
  • Carlson
  • Michigan
  • GM
  • Gates
  • Autolite
  • Cloyes
  • AC Delco
  • Victor
  • AC
  • Fel-Pro
  • Green
  • Vulcan
  • Hoover
  • McQuay-Norris
  • Lisle
  • New Departure
  • Weatherhead
  • Lempco
  • Buick
  • Toledo
  • Sealed Power
  • EIS
  • Borg Warner
  • Atlas
  • United Delco
  • Tyson
  • Dayco
  • SKF
  • Tung-Sol
  • Accurate
  • Delco-Remy
  • Bendix
  • Raybestos
  • Thompson Products
  • Permite
  • Dole
  • L&S
  • Niehoff
  • ProvenValu
  • Anco
  • BCA
  • unknown
  • FAFNIR
  • Hygrade
  • Monmouth
  • Coronet
  • Delco NDH
  • Fasco
  • Hoof
  • Link-Belt
  • Unbranded
  • ABC
  • Airtex
  • Auto-Lite
  • Echlin
  • Federated
  • KEM
  • Spectre Performance
  • Mr. Gasket
  • Toledo Steel
  • Tull Company
  • Borg-Warner
  • Napa
  • Republic
  • Wohlert
  • Cy-Lent
  • Hyatt
  • P&D
  • Thompson
  • Tow-Well
  • TRW Thompson Products
  • Westinghouse
  • Whitney
  • Amgauge
  • AMKO
  • Doan
  • Green Ball Bearing
  • Green Ball Bearing Co.
  • Jamco
  • View all Brands
  • Main Menu

  • Turn Signal Part Finder Catalog
  • Useful Info
    • TS-9 to TS-16 Turn Signal Repair Cam Instructions
    • TS160B Universal Turn Signal Switch Instructions
    • Turn Signal / Water Pump Fitment
    • TS102 Wire Color Specifications
    • Parts Condition Guide
    • Buick Info
    • Classic Oldsmobile
    • Classic Car Club
    • Mopar Chat Forums
    • AACA Forums
    • Ford Muscle Forums
    • Jalopy Journal
    • Mopar Info
    • Ford Links
      • Decoding Ford Part Numbers
      • Model A Head Gasket Chart
    • Vehicle VIN Lookup
    • Imperial Seals fractions to decimals
    • National Oil and Grease Seals -- Types and Applications
      • Victor Reinz Part Number System
  • Contact Us
  • About Us
  • Shipping & Returns
  • Disclaimer
  • Blog
  • Gift Certificates
  • Login or Sign Up

Shop by Category

  • Tools of the Trade
  • Suspension
    • Ball Joints & Pins
    • Bushings & Parts
    • Control Arms
    • Shocks & Springs
    • Steering
    • Other Suspension
  • Fuel System
    • Air & Fuel Mixing
    • Fuel Delivery
    • Tanks & Lines
  • OEM Parts
    • Genuine Ford
    • Genuine Delco
    • Genuine Mopar
    • Delco Motors
    • Buick
  • Cooling & Heating
    • Air Conditioning
    • Engine Cooling
    • Heating & Climate
  • Brake Parts
    • Brake Hardware
    • Hydraulics & Power
    • Lines & Cables
  • Electrical
    • Antennas
    • Ignition Parts
    • Temp Senders
    • Start & Charge
    • Relays & Fuses
    • Horns & Parts
    • Lighting
    • Switches
    • Window Motors
    • Wiring Harness
  • Engine Parts
    • Timing
    • Mufflers
    • Engine Internals
    • Lubrication
    • Gaskets & Seals
    • Belts & Pulleys
    • Motor/Trans Mounts
    • Emissions
    • OTHER
  • Exterior Parts
    • Body & Trim
    • Lighting
    • Panels
    • Wipers
  • Interior Parts
    • Cables
    • Dash & Gauges
    • Locks & Latches
    • Pedals
    • Safety & Belts
  • Transmission
    • Clutch
    • Internal Parts
    • Trans Hardware
  • Wheels & Driveline
    • Axle Parts
    • Bearings & Seals
    • Driveshaft
  • Wiper Blades / Refills
  • Books & Manuals
  • Shop by Brand

  • Moog
  • Aftermarket Replacement
  • Mopar
  • Wagner
  • Shee-Mar
  • Standard
  • Stant
  • Ford
  • Delco
  • Doan / Anchor
  • View all Brands
    • Home
    • Cooling & Heating
    • Heating & Climate
    • Heater Switch
    • Delco 1386803 Heater Switch 1970 Buick All Models NOS Vintage HVAC Part
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 1
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 2
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 3
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 4
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 5
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 6
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 7
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 8
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 9
  • Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 1 Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 2 Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 3 Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 4 Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 5 Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 6 Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 7 Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 8 Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 9

    Delco 1386803 Heater Switch 1970 Buick All Models NOS Vintage HVAC Part

    Delco

    MSRP:
    Now: $75.00
    (You save )
    (No reviews yet) Write a Review
    SKU:
    1386803_HeaterSwitch_Delco
    Condition:
    New
    Shipping:
    Calculated at Checkout

    Adding to cart… category.add_cart_announcement
    • Facebook
    • Email
    • Print
    • Twitter
    • Pinterest
    • Overview
    • Reviews

    Product Description

    Genuine Delco 1386803 Heater Switch (NOS)

    Restore proper climate control to your classic 1970 Buick with this genuine New Old Stock (NOS) Delco 1386803 Heater Switch. Manufactured by Delco and stamped with "INDAK," this original equipment part is designed to precisely fit and function in all 1970 Buick models, including the LeSabre, Electra, Wildcat, Riviera, Skylark, GS, Special, Sportwagon, and Estate Wagon. This switch is a critical component for regulating your vehicle's heating system, ensuring comfortable cabin temperatures.

    Key Features:

    • Brand: Delco / Indak
    • Part Number: 1386803
    • OEM Number: 1386803
    • Interchange: 15-780
    • Position: Heater Control
    • Origin: USA
    • Condition: NOS (New Old Stock)

    Fitment:

    Make Model Year Engine Notes
    Buick LeSabre / Electra / Wildcat / Riviera / Skylark / GS / Special / Sportwagon / Estate Wagon 1970 All Heater Control Switch

    Fits Years:

    1970

    Note on Stock Photos: Due to our inventory of multiple identical units for this specific part number, we utilize representative stock photos for this listing. You will receive a component that strictly meets all listed specifications and fitment requirements. Please be aware that because these are vintage parts, minor cosmetic variations—such as surface finish, color, or production markings—may exist between different manufacturing runs. These slight aesthetic differences are a result of historical production processes and do not impact the part's integrity, performance, or authenticity.

    A Note on Fitment Accuracy: We manually research our fitment data using vintage manufacturer catalogs to provide you with the most accurate information possible. However, because we are human and these decades-old resources can occasionally contain errors, we cannot guarantee 100% accuracy. We strongly encourage you to perform your own due diligence and verify this part number for your specific application before purchasing. Please note that this part may also fit other vehicles or years not explicitly listed in our research.

    Unbeatable Prices & Expectations

    While many of our vintage parts were manufactured decades ago, they remain unused and high-quality. Some original boxes may show signs of shelf-wear, such as dust, tape, or surface distress from years of storage. Rest assured, the components inside have been inspected to ensure they are complete and ready to help you finish your project without breaking the bank.

    Product Videos

    Custom Field

    Product Reviews

    Write a Review

    Write a Review

    ×
    Delco 1386803 Heater Switch for 1970 Buick restoration. - Image 1
    Delco
    Delco 1386803 Heater Switch 1970 Buick All Models NOS Vintage HVAC Part

    Recommended

    • Delco 3765110 Turn Signal Switch for 1961-1962 Chevrolet All Models restoration. - Image 1 Delco 3765110 Turn Signal Switch for 1961-1962 Chevrolet All Models restoration. - Image 2 Delco 3765110 Turn Signal Switch for 1961-1962 Chevrolet All Models restoration. - Image 1 Delco 3765110 Turn Signal Switch for 1961-1962 Chevrolet All Models restoration. - Image 2
      Quick view Details

      Delco

      |

      sku: 3765110_TurnSignalSwitch_Delco

      Delco 3765110 Turn Signal Switch 1961-1962 Chevrolet All Models NOS

      MSRP:
      Now: $65.00
      Add to Cart
    • Delco-Remy 1116540 Ignition Switch for vintage auto restoration - Image 1 Delco-Remy 1116540 Ignition Switch for vintage auto restoration - Image 2 Delco-Remy 1116540 Ignition Switch for vintage auto restoration - Image 1 Delco-Remy 1116540 Ignition Switch for vintage auto restoration - Image 2
      Quick view Details

      Delco-Remy

      |

      sku: 1116540_IgnitionSwitch_DelcoRemy

      Delco-Remy 1116540 Ignition Switch NOS - Vintage Auto Part - High Quality

      MSRP:
      Now: $75.00
      Add to Cart
    • Delco Remy 1116575 Ignition Switch for vintage automotive restoration - Image 1 Delco Remy 1116575 Ignition Switch for vintage automotive restoration - Image 2 Delco Remy 1116575 Ignition Switch for vintage automotive restoration - Image 1 Delco Remy 1116575 Ignition Switch for vintage automotive restoration - Image 2
      Quick view Details

      Delco Remy

      |

      sku: 1116575_IgnSwitch_DelcoRemy

      Delco Remy 1116575 Ignition Switch NOS - Vintage Auto Part - High Quality

      MSRP:
      Now: $125.00
      Add to Cart
    • Delco-Remy 1998130 Overdrive Switch for 1955-1957 Chevy restoration. - Image 1 Delco-Remy 1998130 Overdrive Switch for 1955-1957 Chevy restoration. - Image 2 Delco-Remy 1998130 Overdrive Switch for 1955-1957 Chevy restoration. - Image 1 Delco-Remy 1998130 Overdrive Switch for 1955-1957 Chevy restoration. - Image 2
      Quick view Details

      Delco-Remy

      |

      sku: 1998130_OverdriveSwitch_DelcoRemy

      Delco-Remy 1998130 Overdrive Switch 1955-1957 Chevy - NOS - Vintage Auto Part

      MSRP:
      Now: $165.00
      Add to Cart
    • Delco D6001 Door Jam Switch NOS for vintage auto restoration. - Image 1 Delco D6001 Door Jam Switch NOS for vintage auto restoration. - Image 2 Delco D6001 Door Jam Switch NOS for vintage auto restoration. - Image 1 Delco D6001 Door Jam Switch NOS for vintage auto restoration. - Image 2
      Quick view Details

      Delco

      |

      sku: D6001_DoorJamSwitch_Delco

      Delco D6001 1704234 Door Jam Switch NOS - Vintage Auto Part - High Quality

      MSRP:
      Now: $24.99
      Add to Cart
    ×
    ×
    Join Our Mailing List for special offers!
    Contact Us
    Lewiston, Idaho
    Contact Us
    Accounts & Orders
    • Login or Sign Up
    • Shipping & Returns
    Quick Links
    • Turn Signal Part Finder Catalog
    • Useful Info
    • Contact Us
    • About Us
    • Shipping & Returns
    • Disclaimer
    • Blog
    Recent Blog Posts
    • We’re Shifting Gears: Now Shipping 6 Days a Week!
    • Spark Plugs
    • Cooling Systems
    • The Mechanical Fuel Pump
    • © Old Car Parts NW LLC (OCPNW)
    • |
    • Sitemap