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German owned ZF Industries supplied Ford with
the aluminum housing S5-42 5 speed manual transmission for
various F150 through F550 models from 1987 until early in 1995.
The primary weak spots in these transmission were with
lubrication and shifting (particularly in reverse). The
recommend oil is Mercon/Dexron, but for maximum bearing life it
is essential to use a synthetic Mercon/Dexron Automatic
Transmission Fluid for Diesel powered trucks or for hard
used gas trucks. The synchro clutch teeth on the gears are
small and short which when worn, will cause the transmission to
jump out of gear. Rated at only a modest 420 ft-lbs. of
torque, the S5-42 was inadequate for use behind turbocharged
diesel engines. The S5-42 was replaced starting in 1994 by
the similar, but short lived S5-47. Due to the advancing
age of these transmissions, we no longer stock many parts for
them, however, we can still supply both genuine ZF and
aftermarket parts as needed. |
Reverse Gear for
ZF S5-420 5 Speed |
Mainshaft Reverse Gear for ZF 5-42 5 Speed. The
most common gear requiring replacement for S5-42 transmissions.
A quality aftermarket part made in India.
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ZF542REV Mainshaft Reverse Gear for ZF 5-42 5 Speed.
$99.97
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5th-Reverse Synchronizer
for ZFS5-420 Speed |
5th-Reverse Synchronizer for S5-42 5 speed transmissions.
A quality aftermarket part made in India.
| ZF542R5SYNC 5th and Reverse Synchro Assembly
for S5-42 Transmissions $99.97
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SYNTHETHIC
TRANSMISSION FLUID
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MAINSHAFTS & GEARS |
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MAIN DRIVE GEARS (INPUT SHAFTS)
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Dan the Gear Man Tech Tip: Always
inspect the tip of your input shaft for wear. Worn pilot
bearings often damage or groove the input shaft pilot. |
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COUNTERSHAFTS & GEARS |
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Used only, Call for price and availability |
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REVERSE IDLER
GEARS & SHAFTS |
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SYNCHRONIZER COMPONENTS |
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Dan the Gear Man Tech
Tip: Always inspect the leading edges of the synchro teeth
on all of your synchronizer sleeves. If the teeth are
rounded off or worn, sleeve replacement is required. |
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SHIFT FORKS,
COVERS, & TOWERS |
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BEARINGS AND SMALL PARTS |
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