1978 Dodge Diplomat Fuel and Emissions Systems

Essential 1978 Dodge Diplomat Fuel and Emissions Systems

Carquest Premium – Ported Vacuum Switch (Part No.ECA1456)

Ported Vacuum Switch

from

$42.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Ported Vacuum Switch (Part No.ECA1431)

Ported Vacuum Switch

from

$31.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
See More

Dorman – Fuel Pump Lock Ring (Part No.579-005)

Fuel Pump Lock Ring

from

$8.99
Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock. Made of durable materials for reliable service.

Product Features:
  • Direct replacement – this fuel tank sending unit lock ring is made to match the fit and performance of the original ring on specific vehicle applications
  • Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGC1699)

Exhaust Gas Recirculation (EGR) Valve

from

$41.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGE1202)

Exhaust Gas Recirculation (EGR) Valve

from

$59.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGC1257)

Exhaust Gas Recirculation (EGR) Valve

from

$70.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Mechanical Fuel Pump 360587: Includes Gasket (Part No.360587)

Mechanical Fuel Pump 360587: Includes Gasket

from

$27.99
Carquest Premium mechanical fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Every mechanical fuel pump is 100% tested throughout the entire manufacturing process for worry-free performance. Carquest Premium mechanical fuel pumps include the installation gaskets needed for each application. Carquest Premium mechanical fuel pumps are engineered with superior quality components to provide the longest life and reliable performance

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • Special heat-treated rocker arms and case-hardened pins to ensure lasting performance
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

Carquest Premium – Mechanical Fuel Pump 2510504: Includes Gasket (Part No.2510504)

Mechanical Fuel Pump 2510504: Includes Gasket

from

$41.49
Carquest Premium mechanical fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Every mechanical fuel pump is 100% tested throughout the entire manufacturing process for worry-free performance. Carquest Premium mechanical fuel pumps include the installation gaskets needed for each application. Carquest Premium mechanical fuel pumps are engineered with superior quality components to provide the longest life and reliable performance

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • Special heat-treated rocker arms and case-hardened pins to ensure lasting performance
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

KAI – Fuel Pump Module Assembly (Part No.FMD010083)

Fuel Pump Module Assembly

from

$59.99
New Platinum Pro Fuel Pump Module

Product Features:
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Dorman – Fuel Tank Straps (Part No.578-002)

Fuel Tank Straps

from

$26.49
Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to withstand harsh road and weather conditions.

Product Features:
  • Direct replacement – this fuel tank strap matches the fit, function and performance of the original part
  • Ideal solution – recommended for replacement when the fuel tank is serviced or replaced
  • Durable construction – manufactured from quality materials for superior service and reliability
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
See More

Spectra Premium – Fuel Tank Strap (Part No.ST02)

Fuel Tank Strap

from

$26.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank straps meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our expertise
  • Direct fit ensures safe, secure fuel tank installation
  • Product individually packaged and labeled to help reduce product damage prior to installation
  • Industry leading coverage on straps for plastic tanks
See More

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1188)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$18.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1055)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$1.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.70561)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$2.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Carquest – Steel Fuel Tank (Part No.576-002)

Steel Fuel Tank

from

$167.99
This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.

Product Features:
  • Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
  • Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
  • Quality assured – this part has been validated to ensure a quality fit and long service life
  • Trustworthy design – backed by team of product specialists in the United States
See More

Dorman – Steel Fuel Tank (Part No.576-001)

Steel Fuel Tank

from

$118.99
This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.

Product Features:
  • Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
  • Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
  • Quality assured – this part has been validated to ensure a quality fit and long service life
  • Trustworthy design – backed by team of product specialists in the United States
See More

Spectra Premium – Fuel Tank (Part No.CR1A)

Fuel Tank

from

$159.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tanks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Lock ring included with each tank to reduce installation time and to ensure a complete repair
  • Made with corrosion resistant, OE approved, Ni Terne steel for durability
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Each new fuel tank is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Packaged with double-layered foam wrap and heavy-gauge corrugated board to ensure product quality at installation
See More

Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.CVC1001)

Secondary Air Injection Pump Check Valve

from

$39.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Felpro – Fuel Pump Mounting Gasket (Part No.6579)

Fuel Pump Mounting Gasket

from

$2.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Dorman – Help – Carburetor Pre-Heater Hose – 2 In. X 28 In. – Paper/ Aluminum (Part No.96034)

Carburetor Pre-Heater Hose - 2 In. X 28 In. - Paper/ Aluminum

from

$15.99
This HVAC control duct hose is designed to match the fit and function of the original hose on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this HVAC control duct hose is designed to match the fit and function of the original hose on specified vehicles
  • Restores functionality – reliable replacement for an original hose that has failed due to heat or vibration
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

1978 Dodge Diplomat Fuel and Emissions Systems

You count on your 1978 Dodge Diplomat to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 24 Fuel and Emissions Systems ranging in price from $1.29 to $159.99, you’re sure to find everything you need for your 1978 Dodge Diplomat.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 7 different brands like Felpro, Delphi, and Carquest Premium. 1978 Dodge Diplomat Fuel and Emissions Systems start as low as $1.29!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 1,110 extensive product reviews on 1978 Dodge Diplomat Fuel and Emissions Systems.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 1978 Dodge Diplomat below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1978 Dodge Diplomat

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1978 Dodge Diplomat running right for years to come. In our inventory you’ll find brands like Felpro, Delphi, Carquest Premium, and even more.

Popular Felpro Fuel and Emissions Systems

You’ll find popular Felpro brand products across Exhaust Gas Recirculation (EGR) Parts and Fuel Pumps. All are waiting to get your 1978 Dodge Diplomat back on the road. Some of the top-rated Felpro products in these categories are:
Exhaust Gas Recirculation (EGR) Valve Gasket
from $2.29
(1)
Exhaust Gas Recirculation (EGR) Valve Gasket
EGR Valve Gaskets
Fuel Pump Mounting Gasket
from $2.99
(26)
Fuel Pump Mounting Gasket
Fuel Pump Block-Off Plate Gaskets

Top-Rated Fuel and Emissions Systems


If are what you’re looking for, our inventory holds plenty. We stock brand Fuel and Emissions Systems for your 1978 Dodge Diplomat, and some of our most reviewed parts include:
Electric Fuel Pump
from $64.99
(37)
Electric Fuel Pump
Fuel Pumps

FAQs for 1978 Dodge Diplomat Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1978 Dodge Diplomat?

Out of 24 Fuel and Emissions Systems for the 1978 Dodge Diplomat, the most popular in our inventory are:
Fuel Tank Cleaning Kit
from $12.49
This product is not rated
Fuel Tank Cleaning Kit
Fuel Tank Cleaning Kits
Mechanical Fuel Pump 360586: Includes Gasket
from $25.99
This product is not rated
Mechanical Fuel Pump 360586: Includes Gasket
Fuel Pumps