OEM Equivalent Aftermarket Filters for Kirloskar® Industrial Engines & KOEL Green® Gensets
A G International supplies OEM equivalent aftermarket filters for Kirloskar engines and KOEL gensets, ex-stock from Kolkata. Authorized distributor for MANN+HUMMEL, Parker Racor and Baldwin, and stockist for Fleetguard (Cummins Filtration) and Donaldson. Single-source supply for complete 250, 500, 1000-hour & major overhaul service kits (A/B/C/D check) for Kirloskar air-cooled and water-cooled engines powering KOEL Green gensets (5 kVA – 1010 kVA), concrete pumps, road rollers, and agricultural powerpacks from our central Kolkata warehouse.
Instant Part # / Engine & Genset RFQ
Check Kirloskar Filter Availability & Request a Quote
Facility managers, DG maintenance AMC vendors, infrastructure contractors & procurement teams: submit your Kirloskar OEM part number, engine serial number, or select your kVA rating / engine model — our Kolkata desk confirms genuine stock, OEM cross-references, and volume pricing directly over WhatsApp.
Enter one or more 8-digit or 10-digit Kirloskar part numbers. We cross-reference exact micron ratings, thread dimensions, bypass relief pressures, and media area from our Tier-1 inventory.
Pick your application, engine model / kVA band and service check — we assemble the matched filter set.
Engine & PowerGen Coverage
Kirloskar Engine & Generator Families We Supply Filters For
Kirloskar engines power a massive share of India's commercial real estate, factories, and construction sites. Because KOEL units span air-cooled engines running at elevated thermal thresholds to advanced common-rail CPCB-IV+ platforms, we maintain matched filtration across every generation.
A. HA Series Air-Cooled Engines — Quarry, Compressor & Outdoor DG
B. 4R & 6R Series Water-Cooled Workhorses (62.5 – 250 kVA)
C. DV & SL High-Horsepower Series (320 – 1010 kVA)
D. Compact & Legacy Mechanical Engines
Filtration Categories Supplied
Complete Multi-System Filtration for Kirloskar Engines & Gensets
A standby generator must take 100% electrical load within seconds of a grid failure. Stagnant diesel condensation, contaminated oil, or choked air elements will trip the breaker. We provide precision-matched filtration across all operational systems.
Engine Lubrication Systems
Full-flow spin-on canisters and cartridge elements engineered to handle elevated thermal cycles in air-cooled HA engines (up to 125°C) and disperse soot loading in continuous-run gensets.
Fuel & HPCR Water Separation
Multi-stage fuel systems: primary fuel water separators (extracting 99%+ free and emulsified water) paired with 2–5 micron secondary filters to protect MICO/Bosch inline pumps and common-rail injectors.
Heavy-Duty Air Intake
Direct-fit primary radial seal air elements, inner safety elements, and cyclonic pre-cleaners specifically built for stone crushing yards, road construction, and dusty generator acoustic enclosures.
Coolant & Liner Protection
Chemically balanced spin-on water filters containing DCA4/SCA corrosion inhibitors to stop cylinder liner cavitation erosion and scale formation in water-cooled 4R, 6R, and DV series engines.
Crankcase Breathers & Accessories
Open and closed crankcase ventilation (CCV) coalescing filters and fuel tank filler breathers to prevent external dust ingress and oil mist accumulation in enclosed generator canopies.
Preventive Maintenance Kits
Standardized 250 / 500 / 1000-Hour Generator Service Bundles
Consolidate your generator AMC servicing and facility upkeep. Receive complete, engine-matched filter packages shipped in heavy-duty protective packaging directly from Kolkata.
Routine B-Check Kit (250–500 Hours / Annual PM)
Contents: Full-flow engine lube filter, primary fuel water separator element, and secondary micro-glass fuel filter.
Application: Standard scheduled servicing for KOEL Green 15 kVA – 125 kVA gensets and HA-series compressor engines.
Comprehensive C-Check Kit (1000–1500 Hours)
Contents: Complete B-Check pack + primary outer radial air filter, inner safety air filter, and coolant DCA filter (for water-cooled 4R/6R models).
Application: Complete annual overhaul for continuous-running manufacturing plants, hospital backup, and quarry powerpacks.
High-Horsepower Industrial Plant Kit (DV8 / DV10 / DV12 / SL90)
Contents: Multi-canister lube sets, high-flow duplex fuel water separators, severe-duty primary & secondary air elements, and multiple coolant cartridges.
Application: Captive baseload power plants and 320 kVA – 1010 kVA heavy industrial generator installations.
Severe Quarry & Construction Powerpack Kit
Contents: High-dirt lube filter, dual fuel water separator package (Racor Turbine series), extreme-duty primary air filter, inner safety element, and CCV breather.
Application: Stone crushing plants, asphalt mixers, and mining dewatering units operating in continuous silica dust.
Distributor Credentials
Genuine Tier-1 Filtration — Backed by 35+ Years in Industrial Power & Equipment
Authorized distribution and technical stockist channels supplying authentic filtration solutions to facility management companies, industrial plants, and aggregate contractors across India.




Direct Tier-1 Line Cards
Sourced through authorized manufacturer channels for MANN+HUMMEL, Baldwin and Parker Racor, plus genuine Fleetguard and Donaldson stock — guaranteeing 100% authentic filters.
35+ Years of Engineering Cross-Referencing
Our technical desk maps Kirloskar 8-digit and 10-digit factory part numbers (e.g., 04.xxx.xx, 03.xxx.xx) directly to equivalent high-grade replacements within minutes.
Deep Buffer Inventory for KOEL Fast-Movers
Ready stock maintained in central Kolkata for fast-moving HA 494/694, 4R1040, and 6R1080 elements for same-day counter pickups and rapid dispatch.
In-House Custom Fabrication
For obsolete RB-series or legacy industrial powerpacks where original filters are discontinued, our Kolkata facility custom-manufactures wire-mesh strainers and specialized hydraulic elements to physical sample specs.
Central Kolkata Warehouse Hub
Fast dispatch to industrial hubs across West Bengal, Jharkhand, Bihar, Odisha, Assam, and PAN-India.
Frequently Asked Questions
How do I identify the right replacement filter if I only have a Kirloskar part number?
Simply share your Kirloskar numerical code (printed on the element or can), the engine model (e.g., 4R1040, 6R1080, or HA 394), or the kVA rating of your KOEL Green genset. Our technical team cross-references the factory specs to MANN-FILTER, Fleetguard, Baldwin, or Donaldson alternatives within minutes.
Why do Kirloskar air-cooled HA series engines require heavy-duty lube filters?
Air-cooled engines run at higher cylinder head and oil sump temperatures than liquid-cooled engines, which subjects the lubricant to accelerated thermal degradation and oxidation. High-efficiency synthetic-blend filters from MANN and Fleetguard maintain optimal structural integrity and filtration efficiency without gasket hardening or media breakdown under elevated engine temperatures.
Can I retrofit a Parker Racor fuel water separator on my Kirloskar generator?
Yes. If your generator operates on diesel stored in tanks prone to condensation, we supply complete Parker Racor fuel water separator spin-on and turbine assemblies that replace or supplement existing factory fuel strainers, preventing fuel pump seizures and injector erosion.
Do you supply scheduled bulk maintenance kits for annual generator maintenance contracts (AMCs)?
Yes. We partner with DG service contractors, facility management agencies, and industrial plants to provide pre-packaged 250-hour and 500-hour service kits with GST invoices, itemized parts lists, and fast dispatch.
Need Kirloskar Filters Fast?
Tell us your engine model, kVA rating, or existing part numbers and our Kolkata technical sales desk will confirm stock availability, OEM cross-references, and dispatch your quotation within minutes.
