Brand: OKAY MOTOR secondary air injection smog pump assembly pair for late 2000s and early 2010s Toyota and Lexus V8 trucks and SUVs.
Visual details: Each pump has a black cylindrical upper housing with OKAY MOTOR 1903 style marking, silver cast aluminum mounting bracket, black composite lower pump body and outlet, and a gray two-pin electrical connector on a short harness wrapped in black corrugated loom. Red protective caps cover the hose ports and mounting bushings are isolated with black rubber sleeves and metal sleeves for the bolts.
Model and part identifiers: Manufacturer part number 33-2504M as printed on the product literature. Listed OE and OEM cross-reference numbers shown in the images include 176100S010, 17610-0S010 and 10200231AA. Pump housings are marked OKAY MOTOR and the outer shipping box label shows codes X0033R6UFH and 56185-2 with text Made in China.
Compatibility per manufacturer graphics: Fit for Toyota 2007-2013 Tundra 4.0L, 4.6L, 4.7L and 5.7L V8 engines; Toyota 2008-2012 Sequoia 4.6L and 5.7L V8; Toyota 2008-2013 Land Cruiser 5.7L V8; Lexus 2008-2013 LX570 Base 5.7L V8. Buyers should confirm fitment by matching these part numbers, engine sizes and the connector and port layout to their original unit.
Function and design: These electric secondary air injection smog pumps are designed to supply fresh air to the exhaust system during cold starts to help reduce emissions. Each unit comes preassembled with its mounting bracket, rubber-isolated bushings, molded plastic pump housing, primary air outlet, and plug-in electrical connector, ready to install as a direct replacement for the original pumps on compatible vehicles.
Installation and removal information from the included graphics: Installation steps highlight lowering the new smog pump into position, tightening the mounting bolts, reconnecting the electrical connector, reinstalling the air pump hoses, and reinstalling the serpentine belt by using the belt tensioner. Removal guidance shows locating the air injection pump, releasing belt tension with a ratchet on the tensioner, disconnecting hoses, vacuum lines and electrical connectors, unbolting the pump, and lifting it out of the engine bay.
Packaging and contents: Two OKAY MOTOR smog pumps are individually sealed in clear plastic bags and supported in molded foam inside a plain brown shipping box with barcode label. No additional brackets, hoses or printed instruction booklet are pictured beyond the assembled pumps themselves.
Notes: Color is primarily black and silver as shown. This listing includes the pair of replacement smog pumps only; reuse original mounting hardware and hoses where required and follow factory service procedures for installation.
