Replaces

2000-2003 Chevy Monte Carlo Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.8L

Part Details

  • Brands: AC Delco

This part replaces:

  • HOLLANDER 323-01314
  • OE # 25331861, 25344933, 25345021
  • ACDelco MU1743

  • New

AC DELCO Fuel Pump & Sending Unit Module: MU1743

This Fuel Pump & Sending Unit is a brand new AC DELCO part! It is the same piece that you would receive if you purchased it from your local GM dealer.

Specifications:

  • Brand New AC Delco Fuel Pump & Sending Unit
  • Mounts in fuel tank
  • Replaces dealer part numbers: 25344956, 19180114
  • Outlets: 3
  • Plug Connections: 2
  • Assembly includes the following parts:
    • Electric Fuel Pump
    • Plastic module
    • Fuel sending unit
      • Rheostat Range: 40-250 Ohms
    • Float
    • Strainer
  • Direct replacement
  • Correct electrical connections
  • Built to strict quality control standards
  • Only fits models with the following GM engines as listed in descriptions:
    • V6 3.1L
    • V6 3.4L
    • V6 3.5L
    • V6 3.8L (Non Super Charged)

This electric fuel pump module assembly with sending unit is a great replacement and has good cost savings over a dealer unit.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. Disconnecting the Fuel Pump Relay (0:45 in the video)
    • Turn the vehicle on and run the engine
    • Open the fuse box door
    • Locate and remove the fuel pump relay with pliers
    • Insert the fuel pump relay into the fuse box
    • Close the fuse box door
  2. Removing the Fuel Pump Panel (1:05 in the video)
    • Pull the back seats down
    • Pull the trim and carpet apart
    • Remove the 10mm bolts from the fuel pump panel
    • Pry up on the panel with a flat blade screwdriver
  3. Removing the Fuel Pump (2:07 in the video)
    • Pull up on the pin from the sending unit
    • Disconnect the sending unit wiring harnesses
    • Push the outside fuel lines in, push down on the tab, and pull them free
    • Push the tab on the center fuel line and pull it free
    • Hammer the locking ring with a flat blade screwdriver to turn the locking ring
    • Lift the locking ring up and off
    • Pull the fuel pump up
    • Let the pump drain
    • Lift the fuel pump up and out
  4. Preparing the Fuel Pump (3:55 in the video)
    • Apply the level sensor to the new fuel pump
    • Remove the fuel line clips from the old sensing unit
    • Remove the packing cap from the new fuel pump
    • Insert the fuel line clips onto the new fuel pump
    • Cut off the old sending unit wiring harness with the blue strip with wire cutters
    • Strip a quarter of an inch off the old wires with wire cutters
    • Apply the blue connectors on the grey and black wire
    • Apply the red connectors to the purple and black and white wire
    • Connect the new sending unit harness to the connectors
  5. Installing the Fuel Pump (7:39 in the video)
    • Place the fuel pump and sending unit into the fuel tank
    • Fit the locking ring into place and line up the slots with the tabs without pinching the harnesses
    • Twist the ring clockwise with a flat blade screwdriver and hammer
    • Remove one of the posts from the locking ring with a pair of pliers
    • Connect the pin to the sending unit
    • Connect the wiring harnesses to the fuel pump
    • Connect the fuel lines
  6. Reinstalling the Fuel Pump Panel (10:20 in the video)
    • Replace the panel
    • Insert and tighten the 10mm bolts
    • Cover the panel with the trim and carpet
    • Pull the back seats up

Tools needed for replacement:

    Pliers, Cutters & misc Wrenches

  • Needle nose pliers
  • Wire Cutters
  • Wire End Cutters

  • Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 10mm Socket

  • Specialty Tools

  • Hammer

How-to Video:

(11:21 min)

Tools List:

    Pliers, Cutters & misc Wrenches

  • Needle nose pliers
  • Wire Cutters
  • Wire End Cutters

  • Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 10mm Socket

  • Specialty Tools

  • Hammer



This part replaces:

  • HOLLANDER 323-01314
  • OE # 25331861, 25344933, 25345021
  • ACDelco MU1743

Vehicle Fit

  • 2000-2005 Buick Century Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.1L
  • 2000-2004 Buick Regal Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.8L (excluding Supercharged Models)
  • 2000-2003 Chevy Impala Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.8L
  • 2000-2005 Chevy Impala Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.4L
  • 2004-2005 Chevy Impala Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.8L (excluding Supercharged Models)
  • 2000-2003 Chevy Monte Carlo Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.8L
  • 2000-2005 Chevy Monte Carlo Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.4L
  • 2004-2005 Chevy Monte Carlo Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.8L (excluding Supercharged Models)
  • 2001-2002 Olds Intrigue Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.5L
  • 2001-2003 Pontiac Grand Prix Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.8L (excluding Supercharged Models)
  • 2001-2003 Pontiac Grand Prix Electric Fuel Pump and Sending Unit Module (AC Delco) for V6 3.1L
$294.95
Save 48%
List: $564.37 Save: $269.42
Part #: ACFPU00007

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AC DELCO
Brand #: MU1743

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"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
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