Sierra 18-7876-1 Marine Oil Filter, Replaces 35-99894, for Mercruiser 440 TRS Cyclone, 450 and 460 TRS V8 454/482 Engines

The Sierra 18-7876-1 is a marine engine oil filter built for stern drive V8 applications. It uses paper and steel filter media to trap contaminants from engine oil while maintaining flow to protect internal engine components during operation. The filter has a 13/16 inch x 16 NPT thread for a secure, leak-resistant mount to the engine oil filter adapter.

This filter is designed as a direct replacement for OEM number 35-99894, matching the fit and function of the original equipment part. It is sized for use with Mercruiser 440 TRS Cyclone, 450, and 460 TRS V8 stern drive engines, covering 454 cubic inch / 7.4L and 482 cubic inch / 7.9L displacements. Boat owners and marine technicians performing routine oil changes or engine maintenance on these engine models can use this filter as a straightforward swap for the original.

With overall dimensions of 3.78 x 3.75 x 6.87 inches and a weight of 1.16 pounds, the 18-7876-1 is sized to fit in the same mounting location as the original filter without modification.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-7876-1
• Replaces (OEM): 35-99894
• Material: Paper, Steel
• Thread Size: 13/16 inch x 16 NPT
• Item Dimensions: 3.78 x 3.75 x 6.87 inches
• Weight: 1.16 pounds
• UPC: 808282373603

Fitment

• Mercruiser 440 TRS Cyclone, V8 454 / 7.4L, 1983 - 1986
• Mercruiser 450, V8 454 / 7.4L, 1995 - 1996
• Mercruiser 460 TRS, V8 482 / 7.9L, 1983 - 1986

Replaces (OEM)

• 35-99894

Frequently Asked Questions

What does the Sierra 18-7876-1 oil filter replace? The Sierra 18-7876-1 is built to replace OEM number 35-99894, the original filter used on the applicable Mercruiser stern drive V8 engines.

Which engines is this filter designed for? This filter fits Mercruiser 440 TRS Cyclone (V8 454/7.4L, 1983-1986), 450 (V8 454/7.4L, 1995-1996), and 460 TRS (V8 482/7.9L, 1983-1986) engines.

What is the thread size on the 18-7876-1 oil filter? The thread is 13/16 inch x 16 NPT, matching the mounting thread on the applicable Mercruiser oil filter adapters.

What material is the filter made from? The Sierra 18-7876-1 uses paper and steel construction for the filter media and housing.

How much does the 18-7876-1 oil filter weigh? It weighs 1.16 pounds.

What are the dimensions of this oil filter? The Sierra 18-7876-1 measures 3.78 x 3.75 x 6.87 inches.

Is the Sierra 18-7876-1 a genuine OEM part or an aftermarket replacement? It is an aftermarket filter manufactured by Sierra to the same specification as OEM number 35-99894, offered as a direct replacement rather than an original manufacturer part.

Will this filter fit a 1986 Mercruiser 440 TRS Cyclone? Yes, the 440 TRS Cyclone V8 454/7.4L is listed as covered for the 1983-1986 range by the 18-7876-1 filter.

Does the 18-7876-1 fit the Mercruiser 460 TRS engine? Yes, the 460 TRS V8 482/7.9L engine (1983-1986) is one of the applications this filter is designed for.

What is included when I order this filter? Ordering the Sierra 18-7876-1 includes one oil filter, ready to install with a 13/16 inch x 16 NPT thread connection.

How do I know if 18-7876-1 is the correct filter for my engine versus another Sierra filter number? The 18-7876-1 is matched to Mercruiser 440 TRS Cyclone, 450, and 460 TRS V8 engines replacing OEM 35-99894; confirm your engine model and year against these applications before ordering.