Briggs & Stratton Oil Filter - 842921

Product Details & Features

The Briggs & Stratton Oil Filter – 842921 is a genuine OEM spin-on engine oil filter designed for select Briggs & Stratton Vanguard twin-cylinder engines and other compatible small engine applications. Engineered to effectively trap dirt, metal particles and sludge from circulating engine oil, this oil filter helps protect bearings, crankshaft journals and other critical internal components — supporting smoother operation, reduced wear and longer engine life between service intervals.

Manufactured to original equipment specifications, the 842921 oil filter features quality filter media housed within a durable steel casing and precision threaded base to ensure a secure, leak-free installation. Its robust construction provides dependable filtration performance under regular use, making it a reliable choice for routine servicing on compatible equipment.

Key Features

• Genuine OEM Oil Filter – Designed and produced to Briggs & Stratton original equipment standards for correct fit and dependable performance.

• High-Efficiency Filtration – Captures harmful contaminants and particles to help protect internal engine components and maintain clean oil flow.

• Durable Construction – Reinforced steel canister resists pressure, vibration and long-term use.

• Precision Fitment – Factory-accurate threading and gasket ensure secure, leak-free installation on compatible engines.

• Part Reference: 842921 – Confirms correct Briggs & Stratton replacement oil filter identification.

Suitable Machines / Compatible Equipment

The Briggs & Stratton 842921 Oil Filter is intended for use on select Briggs & Stratton Vanguard twin-cylinder vertical crankshaft engines, commonly found on ride-on mowers, garden tractors, commercial mowing equipment and other outdoor power machines that specify this filter in their service parts documentation.

Examples of compatible applications often include:

• Vanguard Twin Cylinder Engines such as 16 HP and 18 HP vertical crankshaft models where spin-on oil filtration is used

• Other equipment powered by compatible Briggs & Stratton Vanguard engines

(Exact compatibility depends on your engine’s specific Model–Type–Code — always verify against the official parts manual before ordering.)

Parts This Filter Replaces / Supersedes

The 842921 oil filter is commonly referenced as fitting or replacing equivalent filter numbers used on similar Briggs & Stratton engines, including:

• 492056

• 492932 / 492932S

• 5049, 5049B, 5049D, 5049H, 5049K

• 5076, 5076D, 5076H, 5076K

• 695396

• 696854

• 795890

• 841023B, 842921B
  (These cross-references are based on typical interchange listings seen in parts databases for filters of the same size and thread specification.)

In addition, aftermarket replacements for 842921 are often shown alongside these equivalent numbers, demonstrating the shared compatibility across multiple engine families.

Fitment Tip

Oil filters are engine-specific and rely on correct thread size, height and gasket dimensions for proper sealing. Before ordering, identify your engine’s Model, Type & Code stamped on the data tag and reference the official Briggs & Stratton parts manual to confirm that 842921 is the correct filter for your engine’s lubrication system. This ensures reliable oil filtration, proper oil pressure and avoids incorrect part selection.

Product Details

Product Type: Engine Oil Filter / Spin-On Style
Part Reference: 842921
Location: Engine oil gallery (filter mount)
Material: High-efficiency filter media with reinforced steel canister
Function: Traps contaminants in engine oil to protect internal components and support reliable lubrication

Why Choose This Oil Filter

The Briggs & Stratton 842921 Oil Filter is a high-quality choice when performing routine oil service on compatible Vanguard twin-cylinder engines. Its genuine OEM design delivers proper filtration efficiency, secure fitment and long-lasting durability compared with generic alternatives — helping maintain oil cleanliness, reduce wear and support dependable engine performance throughout mowing and other outdoor tasks.