73Dipstick Oil Dipstick Repair Adapter Kit 110448

PART# 110448 | SKU MOD110448
★★★★★ ★★★★★ 5.0 (2 Reviews)

Vehicle Fitment For:
1994-2003 Ford 7.3L Powerstroke | Navistar 7.3L T444E

See full application list below
$89.95

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Description

The 73Dipstick Oil Dipstick Repair Adapter Kit 110448 is a permanent repair for the leaking oil pan in your Ford 7.3L Powerstroke or Navistar 7.3L T444E. The leak at the dipstick flange is a well-known problem with the 7.3 Powerstroke engine. The leak is caused by the factory O-ring mounted inside the adapter expanding over time due to exposure to oil. As the seal swells, it deforms the adapter's inner component, causing the outer nut to become loose.

Some people will attempt to temporarily stop the leak by tightening the nut, but this will only cause the inner piece to become more deformed. Removing the pan and replacing the entire unit from the inside of the pan is the factory repair for this leak. This is an expensive and time-consuming repair. A few aftermarket solutions are available that are intended to fix this from the pan's exterior. There is a weld-in bung option, but it requires pipe fitter expertise to weld different materials together.

There is a bolt-on fix that necessitates dropping the internal part inside the pan and leaving it loose. The seal is moved to the pan's exterior and the internal component is reused in this kit. Nothing is left abandoned inside the pan and no welding. This kit saves time and money compared to other options available for repairing this problem.

Driving Reason For Design
73Dipstick sought to come up with a cost-effective solution for this problem to help out the diesel community. The Powerstroke motor is such a tough, reliable engine that 73Dipstick didn't want their customers to get rid of their trucks because of the cost of fixing an oil leak.

A Long-Term Solution
The stock oil pan usually starts to leak at around 150,000 miles. Even when you spend the money to replace it using Ford's parts and method, it will probably fail at least once more during the truck's life. 73Dipstick has tested vehicles with over 200,000 miles since this repair was done and still no leaks have occurred, meaning this repair outlasts the original design.

Features:
  • Lasts Longer Than OE Fix
  • Designed & Manufactured In USA
  • Only Requires Basic Hand Tools For Installation

Note:
It has been determined that this kit only works with Ford or Dorman internal dipstick flanges. If the internal part has ever been replaced with a part not made by these two manufacturers, this kit may not work. Also, if the dipstick nut has ever been over tightened, and the threads are pulled, you could still end up with a small leak.


Application Chart


Year Range  Make  Model Engine 
1994-1997 Ford F250 3/4 Ton (Pickup) 7.3L 444 CID V8 Diesel Powerstroke
1994-1997 Ford F350 1 Ton (Pickup) 7.3L 444 CID V8 Diesel Powerstroke
1995-1998 Ford E250 3/4 Ton Econoline Van 7.3L 444 CID V8 Diesel Powerstroke
1995-1998 Ford E350 1 Ton Econoline Van 7.3L 444 CID V8 Diesel Powerstroke
1999-2003 Ford F250 Super Duty 3/4 Ton (Pickup) 7.3L 444 CID V8 Diesel Powerstroke
1999-2003 Ford F350 Super Duty 1 Ton (Pickup) 7.3L 444 CID V8 Diesel Powerstroke
2000-2003 Ford Excursion 7.3L 444 CID V8 Diesel Powerstroke
1999-2003 Ford E350 Super Duty 1 Ton Van 7.3L 444 CID V8 Diesel Powerstroke
1999-2003 Ford E450 Super Duty 1-1/2 Ton Van 7.3L 444 CID V8 Diesel Powerstroke
2000-2001 Ford F450 Super Duty 1-1/2 Ton (Pickup) 7.3L 444 CID V8 Diesel Powerstroke
1999-2003 Ford F450 Super Duty 1-1/2 Ton (Cab & Chassis) 7.3L 444 CID V8 Diesel Powerstroke
1999-2003 Ford F550 Super Duty 7.3L 444 CID V8 Diesel Powerstroke
2000-2003 Ford F650 Super Duty 7.3L 444 CID V8 Diesel Powerstroke
2000-2003 Ford F750 Super Duty 7.3L 444 CID V8 Diesel Powerstroke
1995-1997 Ford F Super Duty (Pickup) 7.3L 444 CID V8 Diesel Powerstroke
2002-2003 Ford E550 Super Duty 7.3L 444 CID V8 Diesel Powerstroke
1994 Ford F59 7.3L 444 CID V8 Diesel Powerstroke
1996-1998 Ford E Super Duty 7.3L 444 CID V8 Diesel Powerstroke
1994-2002 International 4700 7.3L 444 CID V8 Diesel
1996-2002 International 4700 LP (Low Profile) 7.3L 444 CID V8 Diesel
1994-2002 International 1652 Stripped Chassis 7.3L 444 CID V8 Diesel
1996-2000 International 3000 School Bus 7.3L 444 CID V8 Diesel
1996-2002 International 3400 Transit Bus 7.3L 444 CID V8 Diesel
1994-1999 International 3600 School Bus 7.3L 444 CID V8 Diesel
1994-2004 International 3800 School Bus 7.3L 444 CID V8 Diesel
1996-2002 International 4700 LPX 7.3L 444 CID V8 Diesel
2003-2004 IC CE300 7.3L 444 CID V8 Diesel
1995-1996 Thomas Built Vista 7.3L 444 CID V8 Diesel

Instructions & Tech Info

Installation Info
Customer Average
1.5 Hours

MOD110448 Installation Video

Reviews For 73Dipstick 110448

Overall Rating
5.0/5
2 Reviews
Rating Snapshot
5 ★
2
4 ★
0
3 ★
0
2 ★
0
1 ★
0
Verified Buyer
★★★★★ ★★★★★
7.3L Oil Dipstick Repair Kit
Yeti Diesel (Greeley, CO) | June 15th, 2026
This kit makes this fix so easy and quick! Worked great. We will see how it goes as the truck is being driven, but I think it worked well!
Verified Buyer
★★★★★ ★★★★★
Good idea
Nick (Nebraska) | December 29th, 2025
Great alternative to pulling the oil pan and replacing the whole dipstick adapter. Have some baling wire on hand to hold the adapter inside the oil pan, and watch the install video. Takes about an hour with the pickup on ramps.
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Specifications For 73Dipstick 110448

MPN 110448
SKU MOD110448
ID 84866
Manufacturer Name 73Dipstick
Shipping Weight 1.00 lb.
Shipping Length 5 in.
Shipping Width 5 in.
Shipping Height 5 in.
Fuel Type Diesel
E-Code 1
Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Cross Reference # 3C3Z-6753-AA, F4TZ-6751-A, F4TZ-6751-B, F4TZ-6753-A, 3C3Z6753AA, 875519C1, F4tz6751a, f4tz6751b, f4tz6753a, 29338,904-423
Internal L24R4

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