Automotive replacement oil filler caps: top picks

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AI-generated summary · updated September 10, 2026 · verify details before purchase.

1. 

   1 Best budget pick Dorman

   Dorman 42080 Engine Oil Filler Cap

   ★★★★★4.6/5 $10.57

   Affordable, universal fit for many makes; simple design that seals well and is easy to handle.

   • Very cheap
   • Universal fit
   • Easy installation

   • Basic plastic construction

   View on Amazon manufacturer site
2. 

   2 Best value Gates

   Gates 31504 Oil Filler Cap

   ★★★★★4.7/5 $6.55

   Durable construction with a good seal; compatible with many vehicles and often recommended as a direct replacement.

   • Reliable seal
   • Good build quality
   • Wide compatibility

   View on Amazon manufacturer site
3. 

   3 Best overall MotoRad

   Stant 12001 Oil Filler Cap

   ★★★★☆4.5/5 $11.99 Only 9 left

   Classic design with a twist-lock mechanism; tight seal prevents leaks and fits many domestic models.

   • Twist-lock design
   • Prevents leaks
   • Trusted brand

   • Limited import fitment

   View on Amazon manufacturer site
4. 

   4 Best OEM replacement ACDelco

   ACDelco 19418759 GM Original Equipment Engine Oil Filler Cap

   ★★★★★4.8/5 $12.82

   GM genuine part, exact fit for many General Motors vehicles; high quality and long-lasting.

   • OEM quality
   • Perfect fit for GM
   • Durable

   • Only fits GM vehicles

   View on Amazon manufacturer site
5. 

   5 Best economy pick MotoRad

   Motorad OFC-101 Oil Filler Cap

   ★★★★☆4.4/5 $7.39 Only 16 left

   Inexpensive but effective, with a simple design that works for many import and domestic cars.

   • Low cost
   • Universal fit
   • Does the job

   • Basic plastic
   • Seal may wear over time

   View on Amazon
6. 

   6 Best for Chrysler/Dodge/Jeep Mopar

   Mopar 53014333AB Oil Filler Cap

   ★★★★★4.7/5 $36.86 Only 11 left

   OEM Mopar part, exact fit for Chrysler, Dodge, Jeep, and Ram vehicles with a reliable seal.

   • OEM exact fit
   • Durable
   • Easy install

   • Only fits Mopar vehicles

   View on Amazon manufacturer site
7. 

   7 Best premium aftermarket Beck/Arnley

   Beck Arnley 104-0607 Oil Filler Cap

   ★★★★☆4.5/5 $10.19 Only 13 left

   Quality aftermarket cap meeting OEM specs; includes gasket for a tight seal and comes in a blister pack.

   • OEM specs
   • Includes gasket
   • Good value

   • Slightly more expensive

   View on Amazon manufacturer site

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