The best automotive replacement door ajar warning switches you can buy

Product Category Search

AI-generated summary · updated September 7, 2026 · verify details before purchase.

1. 

   1 Best overall Dorman

   Dorman 604-171 Door Ajar Switch

   ★★★★☆4.4/5 $17.04

   Universal fit and reliable OE replacement; commonly chosen for many domestic vehicles.

   • Easy to install
   • Durable construction
   • Affordable price

   • May require minor modification for some models

   View on Amazon manufacturer site
2. 

   2 Best quality ACDelco

   ACDelco D8061A Door Ajar Switch

   ★★★★☆4.5/5 $16.90

   OE-grade part with high reliability; exact fit for many GM vehicles.

   • Exact OE fit
   • Long-lasting performance
   • Easy plug-and-play installation

   • Slightly higher price

   View on Amazon manufacturer site
3. 

   3 Best budget pick Standard Motor Products

   Standard Motor Products DS-270 Door Ajar Switch

   ★★★★☆4.3/5 $12.48 Only 7 left

   Cost-effective solution with good build quality; fits many Ford and Lincoln models.

   • Very affordable
   • Good build quality
   • Direct replacement for many Fords

   • May not fit all variants

   View on Amazon manufacturer site
4. 

   4 Best for Ford Dorman

   Dorman 604-172 Door Ajar Switch

   ★★★★☆4.4/5 $17.04

   Designed for Ford trucks and SUVs; solves common door ajar warning issues.

   • Specifically for Ford models
   • Simple installation
   • Reliable performance

   • Plastic housing may be less durable

   View on Amazon manufacturer site
5. 

   5 Best for GM/Chevy ACDelco

   ACDelco D8062A Door Ajar Switch

   ★★★★☆4.5/5 $16.90

   Precision-engineered switch for many GM cars and trucks; excellent customer reviews.

   • OEM quality
   • Perfect fit for GM
   • Includes all necessary hardware

   • Higher cost

   View on Amazon manufacturer site
6. 

   6 Best value Dorman

   Dorman 604-209 Door Ajar Switch

   ★★★★☆4.3/5 $17.04

   Low-cost replacement for select Ford and Lincoln vehicles; good for budget repairs.

   • Low price
   • Easy to install
   • Fits many models

   • Less robust than OEM
   • May need slight adjustment

   View on Amazon manufacturer site
7. 

   7 Best universal fit Dorman

   Dorman 604-016 Door Ajar Switch

   ★★★★☆4.1/5 $17.04

   Universal switch suitable for various makes; good for DIY repairs.

   • Broad compatibility
   • Easy wiring
   • Inexpensive

   • Not OE exact fit
   • May require splicing

   View on Amazon manufacturer site
8. 

   8 Best cheap fix Standard Motor Products

   Standard Motor Products DS-610 Door Ajar Switch

   ★★★★☆4.2/5 $17.46 Currently unavailable

   Inexpensive replacement for older Ford vehicles; gets the job done.

   • Extremely budget-friendly
   • Simple design
   • Works as intended

   • Limited compatibility
   • Shorter lifespan

   View on Amazon manufacturer site

Similar Searches

• automotive replacement fuel filler hoses
• automotive replacement seat actuator motors
• automotive replacement air cleaner mounting gaskets
• automotive replacement transmission valve body kits
• automotive replacement clutch assembly bolts
• automotive wiper switches
• automotive replacement neutral safety relays
• automotive replacement power steering pumps
• automotive replacement alternator brackets
• automotive replacement crankcase cover gasket sets
• automotive replacement idler arm bushings
• automotive replacement blower motor wheels
• automotive replacement tachometers
• automotive replacement power steering pump caps
• automotive replacement extension housings