L-Series

L2800, L3240, L3400, L3540, L3940, L4240, L4330, L4400, L4630, L4740, L5040, L5240, L5740.

MX-Series

MX4700, MX4800, MX5100, MX5200.

M-Series

M59 (Backhoe/Loader).

B-Series

B3030, B3200, B3300SU (in specific engine revisions).

Mowers

ZD1211, ZD1511, and ZD326 series zero-turns.

Skid Steers

Kubota SVL75 and SVL90-2; Bobcat S150, S175, S185, T190.

Excavators

KX018-4, KX033-4, KX040-4, KX057-4, KX71-3, KX91-3, KX121-3, KX161-3, U27-4, U35-4, U55-4.

Generators

Found in various industrial power units (D1703-E2BG, V2203-E2BG)

Kubota

V2403-M (Naturally Aspirated & Turbo), V2203-M, V2003-M, D1803-M / D1703-M

Bobcat Loaders

S150, S175, S185, T190 (specifically Tier 4i or late Tier 3 models).

Kubota Tractors

L3240, L3540, L3940, L4240, L4740, L5040, L5240, L5740.

Kubota Excavators

KX121-3S, KX161-3S, U45-3, U55.

• Material : High-temp Reinforced Polymer / Composite
• Mounting Style : Bolt-on (typically 2 or 4 bolts depending on revision)
• Engine Series : Kubota V2403-M, V2203-M, D1803-M
• Outlet Diameter : ~19.0 mm (Hose barb for breather tube)
• Internal Mechanism : Integrated baffle/membrane for oil separation

1G911-05200 Original Version: Found on early V2203-M and V2403-M models.

1G911-05202 Intermediate Revision: Most common version found in 2010–2018 machinery.

1G911-05204 Current Successor: The newest revision, often sold as the standard replacement part today.

6680812 Bobcat Number: The official cross-reference for Bobcat-branded equipment.

A-1G911-05203 Aftermarket Code: Common identifier for Reliance or TVH.