CAT NEW OEM Engine Air Filter Secondary 6I-2502 3116 3126 3306 NOS Part 0810

Caterpillar OEM Standard Efficiency Engine Air Filter — Secondary — Part Number 6I-2502 Brand: Caterpillar | Condition: New Old Stock (NOS) You are purchasing a genuine Caterpillar OEM Standard Efficiency Engine Air Filter (Secondary / Safety Element), part number 6I-2502. This radial seal secondary filter is the last line of defense against dust, dirt, and other contaminants that may damage engine components. It protects the engine while the primary filter is being serviced or in the event of a breach in the primary filter. This is an authentic factory original part — never installed, never used. Condition Details: This is a New Old Stock (NOS) part. The filter itself is in new, uninstalled condition. As is common with NOS inventory, the original packaging may show signs of age, including shelf wear, dust, or minor cosmetic blemishes on the bag or box. The part is new and fully functional. Part Number / Supersede Information: Primary OEM Part Number: 6I-2502 Also referenced as: 6I2502 Paired with primary filter: 6I-2501 This part number may have been superseded by an updated Caterpillar part number. We recommend verifying any current supersede numbers through your local Cat dealer or the official Caterpillar parts catalog at parts.cat.com prior to ordering. Cross-Reference Part Numbers: Baldwin: RS3505 Donaldson: P532502 Fleetguard: AF25126M Hastings: AF2201 Mann: CF1574 Carquest: 88478 Luber-Finer: LAF4502 Compatible Equipment (partial list — Caterpillar): Engines: 3116, 3126, 3208, 3304, 3306 Generator Sets: G3306, G3306B Paving Compactor: PS-500 Wheel Skidders: 528, 528B, 530B Additional Cat equipment using the 3116/3126/3304/3306 engine family — verify by model and serial number Why Choose OEM Parts? OEM parts are engineered and manufactured to exact factory tolerances, ensuring a precise fit, reliable performance, and long service life. Unlike aftermarket alternatives, OEM parts are designed specifically for your equipment — no modifications, no guesswork. Returns: We proudly offer hassle-free returns. If you are not completely satisfied with your purchase for any reason, simply open a return request through eBay within 30 days of purchase and we will take care of you promptly. Thank you for choosing QBS Parts Inc! We truly appreciate your business. If you have any issues whatsoever with your order, please give us the opportunity to resolve it before leaving feedback — we are committed to making every transaction a great experience. Please verify fitment using your engine's model and serial number before purchasing. Feel free to message us with any questions — we're here to help! QBS Parts, Inc. — Gardena, CA