Breather 803278657 XCMG LW1200K 700KV Wheel loader

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Product Detail

Product Description: XCMG 803278657 – Breather (Vent / Air Filter) for Wheel Loaders

The XCMG 803278657 is a genuine breather component (also known as a vent cap, air breather, or reservoir vent filter) specifically designed for the hydraulic tank, transmission, or axle housing of XCMG large wheel loaders. This breather equalizes internal pressure with the atmosphere while preventing ingress of dust, dirt, and moisture. It incorporates a sintered bronze or paper filter element and a check valve or labyrinth design to trap contaminants and allow clean air exchange. Manufactured from corrosion‑resistant steel or reinforced plastic with a rubber sealing gasket, the 803278657 protects sensitive hydraulic and drivetrain components from vacuum collapse, pressure buildup, and airborne debris.

XCMG LW1200K Wheel Loader (12 ton class)
XCMG LW700KV Wheel Loader (7 ton class)
Also compatible with XCMG LW800K, LW900K, LW1100K, and other large wheel loaders (verify thread size)

Category	Part Number	Description / Original Number
Main Component	803278657	Breather (vent cap with filter)
Hydraulic Tank Breather	803278658	Breather for main hydraulic oil tank (alternative size)
Hydraulic Tank	803200100	Hydraulic oil reservoir assembly (complete)
Hydraulic Tank Cap (Filler)	803278659	Filler cap with integrated breather (if combined)
Hydraulic Tank Strainer (Suction)	803100040	Suction strainer (inside tank)
Hydraulic Return Filter	803100039	Return line filter assembly
Hydraulic Filter Element	803100041	Replacement element (10 micron)
Transmission Breather	803278660	Breather for transmission housing
Transmission Assembly	803278661	Complete transmission (for LW1200K)
Transmission Dipstick	803278662	Oil level dipstick with seal
Transmission Fill Cap	803278663	Filler neck cap (non‑vented)
Axle Breather (Front)	803278664	Front axle housing breather
Axle Breather (Rear)	803278665	Rear axle housing breather
Front Axle Housing	250300731	Front axle assembly (LW700KV)
Rear Axle Housing	250300732	Rear axle assembly
Axle Oil Seal	272200085	Axle hub oil seal
Axle Vent Tube Kit	803278666	Extended vent tube with bracket (for deep fording)
Differential Breather	803278667	Breather mounted on differential housing
Final Drive Breather	803278668	Breather for planetary final drive (each side)
Brake Reservoir Breather	803278669	Breather for brake fluid reservoir (if separate)
Fuel Tank Breather	803278670	Fuel tank vent cap (with anti‑spill valve)
Fuel Tank	803278671	Diesel fuel tank assembly (LW1200K)
Fuel Cap (Locking)	803278672	Locking fuel filler cap with breather
Engine Crankcase Breather	803278673	Engine blow‑by breather (oil separator type)
Engine Breather Hose	803278674	Rubber hose (crankcase to air intake)
Air Compressor Breather	803278675	Small breather for air brake compressor
Gasket (for Breather)	803164037	Rubber sealing gasket (for 803278657)
O‑ring (for Threaded Breather)	803164038	O‑ring replacement (size 24×3 mm)
Dust Cap (Protective)	803278676	Plastic snap‑on dust cover (for storage/transport)
Breather Extension Pipe	803278677	Metal tube (raises breather height for dust control)
Clamp (for Extension)	803278678	Hose clamp for breather tube
Filter Element (Replacement)	803278679	Replacement sintered bronze element (for 803278657)
Breather Body (Housing Only)	803278680	Outer shell without filter (repair)
Hydraulic Oil Cooler	803107100	Oil cooler (pressure side)
Hydraulic Tank Level Gauge	803278681	Sight glass / level indicator
Transmission Oil Cooler	803278682	Cooler for transmission circuit
Tank Breather Heater	803278683	Electric heater (for cold climate breather anti‑icing)
Desiccant Breather	803278684	Moisture‑absorbing breather (for humid environments)
Breather Adapter (Thread Reduction)	803278685	Bushing (G1″ to G3/4″)
Valve (Pressure / Vacuum Relief)	803278686	Combined breather + relief valve (2 psi cracking)
Hose (Breather to Remote Location)	860115388	Rubber hose (for remote mounting)
Bracket (Remote Mount)	384106022	Steel bracket for remote breather
Filter Element (Paper Type)	803278687	Replacement paper element (10 micron)
Dust Indicator (Clogging)	803278688	Mechanical pop‑up indicator for breather

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Product Detail

Product Description: XCMG 803278657 – Breather (Vent / Air Filter) for Wheel Loaders

XCMG LW1200K Wheel Loader (12 ton class)
XCMG LW700KV Wheel Loader (7 ton class)
Also compatible with XCMG LW800K, LW900K, LW1100K, and other large wheel loaders (verify thread size)

Category	Part Number	Description / Original Number
Main Component	803278657	Breather (vent cap with filter)
Hydraulic Tank Breather	803278658	Breather for main hydraulic oil tank (alternative size)
Hydraulic Tank	803200100	Hydraulic oil reservoir assembly (complete)
Hydraulic Tank Cap (Filler)	803278659	Filler cap with integrated breather (if combined)
Hydraulic Tank Strainer (Suction)	803100040	Suction strainer (inside tank)
Hydraulic Return Filter	803100039	Return line filter assembly
Hydraulic Filter Element	803100041	Replacement element (10 micron)
Transmission Breather	803278660	Breather for transmission housing
Transmission Assembly	803278661	Complete transmission (for LW1200K)
Transmission Dipstick	803278662	Oil level dipstick with seal
Transmission Fill Cap	803278663	Filler neck cap (non‑vented)
Axle Breather (Front)	803278664	Front axle housing breather
Axle Breather (Rear)	803278665	Rear axle housing breather
Front Axle Housing	250300731	Front axle assembly (LW700KV)
Rear Axle Housing	250300732	Rear axle assembly
Axle Oil Seal	272200085	Axle hub oil seal
Axle Vent Tube Kit	803278666	Extended vent tube with bracket (for deep fording)
Differential Breather	803278667	Breather mounted on differential housing
Final Drive Breather	803278668	Breather for planetary final drive (each side)
Brake Reservoir Breather	803278669	Breather for brake fluid reservoir (if separate)
Fuel Tank Breather	803278670	Fuel tank vent cap (with anti‑spill valve)
Fuel Tank	803278671	Diesel fuel tank assembly (LW1200K)
Fuel Cap (Locking)	803278672	Locking fuel filler cap with breather
Engine Crankcase Breather	803278673	Engine blow‑by breather (oil separator type)
Engine Breather Hose	803278674	Rubber hose (crankcase to air intake)
Air Compressor Breather	803278675	Small breather for air brake compressor
Gasket (for Breather)	803164037	Rubber sealing gasket (for 803278657)
O‑ring (for Threaded Breather)	803164038	O‑ring replacement (size 24×3 mm)
Dust Cap (Protective)	803278676	Plastic snap‑on dust cover (for storage/transport)
Breather Extension Pipe	803278677	Metal tube (raises breather height for dust control)
Clamp (for Extension)	803278678	Hose clamp for breather tube
Filter Element (Replacement)	803278679	Replacement sintered bronze element (for 803278657)
Breather Body (Housing Only)	803278680	Outer shell without filter (repair)
Hydraulic Oil Cooler	803107100	Oil cooler (pressure side)
Hydraulic Tank Level Gauge	803278681	Sight glass / level indicator
Transmission Oil Cooler	803278682	Cooler for transmission circuit
Tank Breather Heater	803278683	Electric heater (for cold climate breather anti‑icing)
Desiccant Breather	803278684	Moisture‑absorbing breather (for humid environments)
Breather Adapter (Thread Reduction)	803278685	Bushing (G1″ to G3/4″)
Valve (Pressure / Vacuum Relief)	803278686	Combined breather + relief valve (2 psi cracking)
Hose (Breather to Remote Location)	860115388	Rubber hose (for remote mounting)
Bracket (Remote Mount)	384106022	Steel bracket for remote breather
Filter Element (Paper Type)	803278687	Replacement paper element (10 micron)
Dust Indicator (Clogging)	803278688	Mechanical pop‑up indicator for breather

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Breather 803278657 XCMG LW1200K 700KV Wheel loader

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