# MotoRad 5166KTFS Engine Coolant Thermostat and Housing Assembly for 1991-2007 Buick Century

### Specifications

Bolt Hole Quantity: 2

Bolts Included: No

Bypass Diameter: 0.92 IN

Color: Black, silver

Flange Diameter: 1.8

Flange Thickness: 0.05 IN

Gasket or Seal included: No

Gasket/Seal Material: Rubber

Material: Steel, stainless steel, copper, rubber

Number Of Outlet Ports: 1

Number Of Seals: 1

Outlet Diameter: 1.32

Temperature (Degree): 195F

### Features

-   Offer precise pressure control
-   Ensure the proper fit
-   Made of high quality materials
-   Easy installation

### Product Details

Engine Coolant Thermostat and Housing Assembly (5166KTFS) by MotoRad®. Temperature: 195F. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality product used in their vehicle.

MotoRad offers a full line of thermostats to replace original equipment thermostats. These parts are manufactured with high-grade duel bridge stainless steel construction and they meet or exceed all original equipment manufacturer requirements. MotoRad also offers standard thermostats in many alternate temperatures.

Brand: MotoRad

Part Number: 5166KTFS

UPC: 055644917504

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1994-2005

Buick

Century

1994-1996

Buick

Regal

2002-2007

Buick

Rendezvous

1994-1998

Buick

Skylark

2005-2006

Buick

Terraza

2000-2005

Chevy

Impala

1991-2001

Chevy

Lumina

1997-2004

Chevy

Malibu

1995-2005

Chevy

Monte Carlo

1997-2005

Chevy

Venture

1999-2004

Oldsmobile

Alero

1994-1996

Oldsmobile

Ciera

1991-1999

Oldsmobile

Cutlass

1996-2004

Oldsmobile

Silhouette

2001-2005

Pontiac

Aztek

1994-2005

Pontiac

Grand Am

1991-2003

Pontiac

Grand Prix

1999-2006

Pontiac

Montana

2005-2006

Saturn

Relay

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is 5166KTFS.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Engine Coolant Thermostat and Housing Assembly for Buick Century
-   5166KTFS fitment
-   MotoRad Engine Coolant Thermostat and Housing Assembly
-   1994 Buick Century Engine Coolant Thermostat and Housing Assembly

## Details

- **Price:** 54.13 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat and Housing Assembly
- **Tags:** 1991-1999 Oldsmobile Cutlass, 1991-2001 Chevy Lumina, 1991-2003 Pontiac Grand Prix, 1994-1996 Buick Regal, 1994-1996 Oldsmobile Ciera, 1994-1998 Buick Skylark, 1994-2005 Buick Century, 1994-2005 Pontiac Grand Am, 1995-2005 Chevy Monte Carlo, 1996-2004 Oldsmobile Silhouette, 1997-2004 Chevy Malibu, 1997-2005 Chevy Venture, 1999-2004 Oldsmobile Alero, 1999-2006 Pontiac Montana, 2000-2005 Chevy Impala, 2001-2005 Pontiac Aztek, 2002-2007 Buick Rendezvous, 2005-2006 Buick Terraza, 2005-2006 Saturn Relay, 5166KTFS, Automotive, Engine Coolant Thermostat and Housing Assembly, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 54.13 CAD | In stock |

## Images

- MotoRad 5166KTFS Engine Coolant Thermostat and Housing Assembly for 1991-2007 Buick Century

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-5166ktfs-engine-coolant-thermostat-and-housing-assembly)
> Updated: 2026-08-17