Sealants
Reference table of Porsche-specified sealants for the 924, 944, and 968, with part numbers, product names, and their specific applications.
Difficulty: Easy1 min readApplies to: 924 · 944 · 944S · 944S2 · 944 Turbo · 968
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The following is a reference list of sealants used on Porsche 924, 944, and 968 engines, with their Porsche part numbers (where applicable), product names, and applications. These are the products specified by Porsche. Acceptable aftermarket substitutes may exist for many of these.
Sealants Reference Table
| Part Number | Product | Applications |
|---|---|---|
| 043 010 00 | Loctite 574 | Engine block halves, oil pump housing, balance shaft covers, oil dipstick guide tube, balance shaft sprocket retaining bolts |
| 043 011 00 | Loctite 638 | Originally specified for balance shaft covers; still listed in some older factory shop manuals. Superseded by Loctite 574. |
| 000 043 019 01 | Silastic 730 RTV / Dow Corning 730 | Both sides of the corners of the oil pan gasket. Aftermarket alternatives such as Permatex Ultra Grey have been used successfully as substitutes. |
| N/A | Dow Corning 111 | Not specifically required by Porsche, but recommended for lubricating all O-rings and seals on installation. Improves sealing and allows seals to move as they expand and contract. |
| N/A | Loctite 270 | Oil pan insert bolts (M5), water pump to crankcase bolts (M6), reference mark sensor stud on flywheel |
| N/A | Loctite 221 | Rotor to camshaft connector retaining screw (M4), camshaft connector to camshaft sprocket dog retaining screw (M5) |
| N/A | Loctite 262 | Main oil duct end plugs sealing surfaces |
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