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Dayco DP1891 Engine Water Pump

Brand	Dayco DP1891
Fits	Lexus and Toyota · 27 vehicles

Direct-fit replacement. Cataloged for select serpentine belt driven cooling system applications.

Vehicle-specific fitment. Matches listed Lexus and Toyota applications by part number DP1891.

$160.62Free shipping

In stock · usually ships same day before 1pm CST

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Engine Water Pump Overview

The Dayco DP1891 engine water pump is a direct-fit cooling system replacement for select Lexus and Toyota applications with serpentine belt driven systems. It is built for buyers who need a water pump matched to the original belt-driven layout and vehicle-specific fitment.

Key Features

Direct-fit engine water pump for select cooling system applications
Compatible with serpentine belt driven systems
Fits Lexus GX460 applications across multiple model years
Fits Toyota Tundra and Toyota Sequoia applications with the specified belt-driven setup
Dayco part number DP1891 for easy identification

Detailed Description

Dayco DP1891 is an engine water pump intended for vehicles that use a serpentine belt driven cooling system. This part number is listed for 2010-2023 Lexus GX460, 2010-2019 Toyota Tundra, and 2010-2012 Toyota Sequoia applications, making it a fitment-specific replacement for common V8 truck and SUV cooling system service. If you are replacing a worn pump on a Lexus GX460, Toyota Tundra, or Toyota Sequoia, DP1891 provides a cataloged match for the original belt-driven configuration.

What It Is Used For

Replacing a leaking or worn engine water pump
Restoring coolant circulation through the engine cooling system
Addressing overheating caused by pump wear or bearing failure
Servicing a serpentine belt driven cooling system

Installation Notes and Tips

Verify engine and cooling system configuration before installation. This part is cataloged for serpentine belt driven systems only, so confirm the vehicle matches the listed fitment and notes before ordering. Follow factory service procedures for coolant draining, component removal, and refill/bleeding after installation.

Quality Assurance

Dayco is a recognized aftermarket brand in belts and cooling components, and DP1891 is cataloged with application-specific fitment for the listed Lexus and Toyota vehicles. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 27 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Notes
2023	Lexus	GX460	—	—	Serpentine Belt Driven
2022	Lexus	GX460	—	—	Serpentine Belt Driven
2021	Lexus	GX460	—	—	Serpentine Belt Driven
2020	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2019	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2019	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2018	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2018	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2017	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2017	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2016	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2016	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2015	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2015	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2014	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2014	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2013	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2013	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2012	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2012	Toyota	Sequoia	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2012	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2011	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2011	Toyota	Sequoia	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2011	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2010	Lexus	GX460	—	—	Compatible with vehicles equipped with serpentine belt driven systems.
2010	Toyota	Sequoia	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
2010	Toyota	Tundra	4.6L	V8	Compatible with vehicles equipped with serpentine belt driven systems.
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