The 2001 Buick Century has 32 cooling system parts with verified fitment on this page — 5 part types and 20 brands, covering the 3.1L V6 engine. Each part includes a manufacturer part number and application notes.
On the 2001 Buick Century, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. Most of the listed parts are Coolant / Antifreeze (16 parts), Coolant Level Sensor (7 parts) and Coolant Hose / Pipe (6 parts). The other 2 part types cover the remaining 3 parts.
The 2001 Buick Century came with a single engine, the 3.1L V6, and every part is verified against it.
20 brands supply cooling system parts for the 2001 Buick Century, led by PRESTONE (6 parts), PEAK (3 parts) and VALVOLINE (3 parts), plus 17 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2001 Buick Century. 8 parts have it, including FVP MV5050GAL (Coolant / Antifreeze) and ACDELCO 14156S (Coolant Hose / Pipe). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 105027 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon | View on Amazon |
| VALVOLINE Popular | ZXEL1 | 🇺🇸 US 🇨🇦 CA | Dex-Cool Orange1 Gallon | View on Amazon |
| AISIN | ACD005 | 🇺🇸 US 🇨🇦 CA | OrangeOAT | View on Amazon |
| FVP | DEX5050GAL | 🇺🇸 US 🇨🇦 CA | Extended Life Blend1 Gallon | View on Amazon |
| PRESTONE | AF3400 | 🇺🇸 US 🇨🇦 CA | Prime OrangeOrange Compatible | View on Amazon |
| PRESTONE | AF850 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended Life1 Gallon | View on Amazon |
| VALVOLINE | 888374 | 🇺🇸 US 🇨🇦 CA | American Vehicle Orange1 Gallon | View on Amazon |
This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator.
16 Coolant / Antifreeze parts are listed for the 2001 Buick Century, from PRESTONE, PEAK, VALVOLINE and 3 other brands. FVP MV5050GAL carries the "Popular" badge.
The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.
In the Economy grade, FVP, PEAK, PRESTONE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.
The Premium section lists 4 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.
The Standard Replacement section lists 7 options from VALVOLINE, PRESTONE, ACDELCO and 2 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.
Coolant Air Bleeder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 902112 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the bleeders used to purge air from the coolant circuit.
This group shows a single part: DORMAN 902112.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 14156S | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| GATES Popular | 19026 | 🇺🇸 US 🇨🇦 CA | Molded19/32" x 6" | View on Amazon |
| CONTINENTAL | 63121 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| DAYCO | 71692 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GM GENUINE | 10182356 | 🇺🇸 US 🇨🇦 CA | Thermostat To Pipe | View on Amazon |
| GM GENUINE | 12590279 | 🇺🇸 US 🇨🇦 CA | Part of Lower IntakeUse Sealant 19332211 (USA) or 10953488 (Canada) | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
6 Coolant Hose / Pipe parts are listed for the 2001 Buick Century, from GM GENUINE, ACDELCO, GATES and 2 other brands. ACDELCO 14156S carries the "Popular" badge.
This group includes ACDELCO 14156S, GATES 19026 and CONTINENTAL 63121 and the remaining parts above.
Coolant Hose / Pipe Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX | ADM1403 | 🇺🇸 US 🇨🇦 CA | Bypass pipe | View on Amazon |
| FEL-PRO | 70799 | 🇺🇸 US 🇨🇦 CA | O-Ring Type | View on Amazon |
This table covers the seals at the Coolant Hose / Pipe. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
2 Coolant Hose / Pipe Seal parts for the 2001 Buick Century come from 2 brands — APEX and FEL-PRO.
Part numbers include APEX ADM1403 and FEL-PRO 70799.
Coolant Level Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2CTS0221 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Popular | 1712532 | 🇺🇸 US 🇨🇦 CA | Engine Coolant Level Sensor | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | 5S1449 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AUTOTECNICA | GM1317731 | 🇺🇸 US 🇨🇦 CA | Module - Mounted on Radiator | View on Amazon |
| NTK | EE0017 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | FLS24 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5S1449 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | View on Amazon |
This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
7 Coolant Level Sensor parts are listed for the 2001 Buick Century, from HOLSTEIN, GPD, ULTRA-POWER and 4 other brands. GPD 1712532 carries the "Popular" badge.
Economy: 1 part, from HOLSTEIN. A representative part number is HOLSTEIN 2CTS0221.
The Standard Replacement section: 1 option from GPD. GPD 1712532 is listed in this group.
5 ungrouped parts are not assigned to a grade, with the same engine-level match.
Part numbers include GPD 1712532, HOLSTEIN 2CTS0221 and ULTRA-POWER 5S1449, among others listed above.
Buying Cooling System Parts for a 2001 Buick Century
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 3.1L V6 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Coolant Level Sensor .
Frequently Asked Questions
How many cooling system parts fit the 2001 Buick Century?
Our catalog currently lists 32 cooling system parts for the 2001 Buick Century across 5 subcategories and 20 brands, covering the 3.1L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2001 Buick Century?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2001 Buick Century was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2001 Buick Century?
Every part on this page is matched to the 3.1L V6 engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2001 Buick Century
Cooling System Parts for Other Buick Century Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.