Replacing the timing belt on an Acura TSX typically costs between $500 and $1,000 at an independent shop, with dealership quotes commonly higher, around $800 to $1,500, depending on whether the water pump and other components are included. The TSX uses a 2.4-liter engine and an interference design, so preventive replacement is important to avoid severe damage if the belt fails.
The timing belt is part of a routine maintenance interval, usually around 105,000 miles or about 7–9 years, depending on driving conditions. Because the TSX’s engine can be damaged by a failed belt, most owners opt to replace the belt along with the water pump and other wear items. Prices can vary by region, shop type, and what components are replaced at the same time.
What affects the price
Several factors determine the overall cost of a timing belt replacement on the TSX. Here is a breakdown of the main drivers that influence the final bill.
- Labor rates and time: How much a shop charges per hour and how many hours the job takes; a typical window is 3–5 hours depending on engine variant and access.
- Parts included in the kit: A basic belt kit (belt, tensioner, and idler) is cheaper than a full kit that includes a water pump, seals, and a thermostat.
- Water pump and cooling system parts: Replacing the water pump is common because the pump is driven by the belt and a failure later would require another service visit.
- Gaskets, seals, and coolant: Additional items such as valve cover or timing cover gaskets and coolant add to the bill.
- Vehicle specifics: Model year and engine variant (K24 engine in early TSX models) can affect access, kit composition, and labor time.
- Shop type and parts choice: Dealerships tend to charge higher labor rates and sometimes use OEM parts, boosting the total cost.
In practice, most timing belt replacements on an Acura TSX fall in the mid range of the costs described, with variability based on the factors above.
Cost ranges by scenario
Here are typical price ranges you might expect for common service configurations. These figures assume average labor rates in the United States and include parts where noted.
- Independent shop with timing belt kit plus water pump (and standard seals): roughly $500 to $900.
- Independent shop with belt kit only (water pump not included): roughly $420 to $750.
- Dealership (belt kit with water pump and OEM parts): roughly $900 to $1,500.
- Additional repairs due to belt failure (valve damage, cracked head, etc.): easily $2,000 to $4,000 or more, depending on extent of damage.
When planning, confirm with the shop exactly what is included in the price—some quotes include coolant, seals, and a thermostat, while others price those items separately. It's also wise to ask about warranty terms on parts and labor and to verify whether the water pump is included in the quoted price.
Summary
Cost to replace a timing belt on an Acura TSX generally ranges from roughly $500 to $1,000 at independent shops and $900 to $1,500 at dealerships, with broader ranges depending on components and labor. Replacing the belt with the water pump and related seals is common practice, since the TSX uses an interference engine and delays can lead to costly engine damage. Plan for preventive maintenance around the recommended interval (typically around 105,000 miles) and shop around for quotes that include all necessary parts and services.