Sierra 18-0411 Oil Pan Gasket Set, Replaces 27-90458A1 & 27-90458, for Mercruiser GM 350 CID (5.7L) Starboard Dipstick Engines

The Sierra 18-0411 Oil Pan Gasket Set is a replacement gasket kit engineered for Mercruiser GM 350 CID (5.7L) marine engines equipped with a starboard dipstick configuration. It is built to meet or exceed the quality of the original equipment gasket it replaces, providing a reliable seal between the oil pan and engine block to prevent oil leaks and maintain proper lubrication pressure. Each set is manufactured to precise tolerances so it seats correctly against factory mating surfaces without the need for excessive sealant buildup.

This gasket set is a direct cross-reference for several OEM and aftermarket part numbers, making it a straightforward swap when servicing or rebuilding a Mercruiser GM 350 CID (5.7L) engine with a starboard-side dipstick. It ships as a complete set so installers have the gaskets needed for the job in one package, reducing trips back to the parts counter mid-repair. Sierra part 18-0411 is sold under the UPC 030999873842 for easy identification and ordering.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-0411
• Product Type: Oil Pan Gasket Set
• Weight: 0.3 pounds
• UPC: 030999873842
• Color: White
• Unit Count: 1 set
• OEM Cross Reference: 27-90458A1, 27-90458, FI5000178, FI5000183
• Fitment: Mercruiser GM 350 CID (5.7L), Starboard Dipstick

Fitment

• Mercruiser GM 350 CID (5.7L) engines with starboard dipstick

Replaces (OEM)

• 27-90458A1
• 27-90458
• FI5000178
• FI5000183

Frequently Asked Questions

What engine does the Sierra 18-0411 Oil Pan Gasket Set fit? It fits Mercruiser GM 350 CID (5.7L) engines that use a starboard-side dipstick configuration.

What OEM part numbers does 18-0411 replace? Sierra 18-0411 cross-references to 27-90458A1, 27-90458, FI5000178, and FI5000183.

Is the Sierra 18-0411 gasket set an OEM part or an aftermarket replacement? It is an aftermarket gasket set manufactured by Sierra to meet or exceed the quality of the original equipment oil pan gasket it replaces.

How much does the 18-0411 Oil Pan Gasket Set weigh? The Sierra 18-0411 Oil Pan Gasket Set weighs 0.3 pounds.

What color is the 18-0411 gasket material? The gasket set is white in color.

How many gaskets are included in the 18-0411 set? The Sierra 18-0411 Oil Pan Gasket Set is packaged as one complete set (1 unit) covering the oil pan sealing job.

Will 18-0411 work on a Mercruiser engine with a port-side dipstick? Sierra 18-0411 is designated for the GM 350 CID (5.7L) engine configuration with a starboard dipstick; a port-dipstick engine should be matched against fitment before ordering, since these are distinct dipstick configurations.

What is the UPC for the Sierra 18-0411 gasket set? The UPC for the Sierra 18-0411 Oil Pan Gasket Set is 030999873842.

Does the 18-0411 gasket set require additional sealant during installation? The Sierra 18-0411 Oil Pan Gasket Set is manufactured to seal properly against factory mating surfaces without needing excessive sealant buildup.

Is Sierra 18-0411 the correct part number to order for this gasket set? Yes, 18-0411 is the Sierra part number for this oil pan gasket set, and it is the number to reference when ordering.