Dodge Diplomat Gas Caps
Your Dodge Diplomat will be happy to know that the search for the right Gas Caps you’ve been looking for is over! Advance Auto Parts has 14 different Gas Caps for your vehicle, ready for shipping or in-store pick up. The best part is, our Dodge Diplomat Gas Caps start from as little as $6.99.
When it comes to your Dodge Diplomat, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Gas Caps brands so you can shop with complete confidence. Some of our top Gas Caps brands are Carquest Premium and Motorad. We’re sure you will get the right product to keep that Diplomat running for a long time.
We even have reviews of our OEM and aftermarket Gas Caps products to help you buy with confidence. Hear from other customers via the 28,140 reviews on parts for your Dodge Diplomat.
Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Gas Caps for your Diplomat, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!
Compare 25 Dodge Gas Caps
Carquest Premium – Diesel Fuel Cap: 10819D, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10819D)
from
$15.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
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Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10845, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10845)
from
$36.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
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Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17591)
from
$11.99
None
Product Features:
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Product Features:
- Protects your fuel from theft and vandalism
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17508Y)
from
$17.79
None
Product Features:
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Product Features:
- Protects your fuel from theft and vandalism
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Carquest Premium – Fuel Cap (Part No.10807)
from
$8.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
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Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17508)
from
$14.29
None
Product Features:
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Product Features:
- Protects your fuel from theft and vandalism
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17591D)
from
$16.79
None
Product Features:
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Product Features:
- Reduces air pollution with proper sealing and venting
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Carquest Premium – Fuel Cap: 10806, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10806)
from
$8.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap (Part No.10800)
from
$12.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Locking Fuel Cap (Part No.10504Y)
from
$22.99
None
Product Features:
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Product Features:
- Protects your fuel from theft and vandalism
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10742, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10742)
from
$9.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10830, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10830)
from
$12.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10837, Round, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10837)
from
$14.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
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Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10838, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10838)
from
$17.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap (Part No.10842)
from
$17.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10834, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10834)
from
$15.49
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10825, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10825)
from
$14.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)
from
$15.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10838Y, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10838Y)
from
$14.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10595)
from
$21.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Protects your fuel from theft and vandalism
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10501)
from
$24.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Protects your fuel from theft and vandalism
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10819, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10819)
from
$16.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
- “Torque Override” feature aids in the proper installation of the fuel cap. It produces an audible click as the O-ring that seals the cap is properly compressed.
Carquest Premium – Locking Fuel Cap (Part No.10591)
from
$23.99
None
Product Features:
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Product Features:
- Protects your fuel from theft and vandalism
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Locking Fuel Cap: 10591D, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10591D)
from
$24.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Protects your fuel from theft and vandalism
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap: 10623, Push In, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10623)
from
$12.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Product Features:
See More
Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
FAQs for Dodge Diplomat Gas Caps
What are the most popular Gas Caps for the Dodge Diplomat?
With 3 brands you can trust, our most popular Gas Caps for the Dodge Diplomat are:
from
$23.99
This product is not rated
Tethered Gas Cap: Non-Locking, Original Equipment Manufacturer, Reduces Air Pollution, 1 Pack
Gas Caps
What are the best aftermarket Gas Caps for the Dodge Diplomat?
See what past customers had to say about our highest-rated Gas Caps for the Dodge Diplomat:
from
$24.99
(32)
Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Lost old gas cap and replaced with this one, which comes with a lock (which you don’t have to use,FYI)”
from
$16.79
(25)
Fuel Cap: 10819, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Will buy again”
from
$22.99
(8)
Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Easy to install, works as expected.”
Find Your Dodge Diplomat Gas Caps by Year
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