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Thumbnail Filmstrip of 1994-2003 7.3L Powerstroke Up Pipe Donut Gasket Set Mahle GS33716 Images
The Mahle GS33716 is the up-pipe donut gasket set for a 1994.5–2003 7.3 Powerstroke. These are the round seals between each up-pipe and the collector, ahead of the turbo. The set is two gaskets, one for each side. It replaces Ford F4TZ-6K854-C.
A flattened donut leaks exhaust before the turbine. That soots the firewall, ticks at idle, and costs drive pressure. These are OE-style replacements and fit the factory collector seat. Clean the mating surface and check the bellows before you torque them. A cracked up-pipe will still leak with a new gasket.
It fits 1994.5–1997 OBS trucks, 1999–2003 Super Duty trucks, and 2000–2003 Excursions. It does not fit a 7.3 IDI.
Fitment
- 1994.5–2003 Ford 7.3L Powerstroke
- F-250, F-350, F-450, F-550, and Excursion
- Up-pipe to collector
- Set of 2
- Replaces Ford F4TZ-6K854-C
- Does not fit a 7.3 IDI
These are not the exhaust manifold gaskets and not the turbo V-band clamp. If the leak is at the flange on the head, you need those gaskets too.
The Mahle GS33716 is the up-pipe donut gasket set for a 1994.5–2003 7.3 Powerstroke. These are the round seals between each up-pipe and the collector, ahead of the turbo. The set is two gaskets, one for each side. It replaces Ford F4TZ-6K854-C.
A flattened donut leaks exhaust before the turbine. That soots the firewall, ticks at idle, and costs drive pressure. These are OE-style replacements and fit the factory collector seat. Clean the mating surface and check the bellows before you torque them. A cracked up-pipe will still leak with a new gasket.
It fits 1994.5–1997 OBS trucks, 1999–2003 Super Duty trucks, and 2000–2003 Excursions. It does not fit a 7.3 IDI.
Fitment
- 1994.5–2003 Ford 7.3L Powerstroke
- F-250, F-350, F-450, F-550, and Excursion
- Up-pipe to collector
- Set of 2
- Replaces Ford F4TZ-6K854-C
- Does not fit a 7.3 IDI
These are not the exhaust manifold gaskets and not the turbo V-band clamp. If the leak is at the flange on the head, you need those gaskets too.
Q
Michael • 12/11/2025, 3:31:52 AM
Are these gaskets for the up pipes at the collector plate or for down on the exhaust manifold to uppipe
A
12/11/2025, 2:09:43 PM
Up pipes to collector.
Proposition 65 Warning Information -
P65Warnings.ca.gov
Fits: 7.3 Powerstroke 1994-2003
Fits: 7.3 Powerstroke 1994-2003
Fits: 7.3 Powerstroke 1994-2003
Fits: 7.3 Powerstroke 1994-2003
Fits: 7.3 Powerstroke 1994-2003
Fits: 7.3 Powerstroke 1994-2003