Expect the rear main seal (RMS) for a Chevy Equinox to cost primarily in two parts: the seal itself and the labor to replace it. The seal typically runs from about $20 to $100, while total job costs often fall in the hundreds to low thousands depending on engine, year, and where you shop. This article provides current ranges and factors that influence price.
What affects the price of a rear main seal
The rear main seal sits at the back of the engine and prevents oil leaks from the crankshaft. Replacing it is a labor-intensive task because it usually requires significant engine access, sometimes including removal of components or even the transmission, depending on the engine and generation. Price differences arise from engine type, whether you buy OEM or aftermarket parts, and where the service is performed (independent shop vs. dealership).
Parts price by engine type
Below is a rough guide to RMS part costs by common Equinox engine configurations. Prices vary by supplier, region, and whether you choose OEM or aftermarket parts.
- 2.4L I4 (early Gen 1 Equinox): Parts typically about $15–$60 for aftermarket RMS; OEM/sealed kits often $40–$90.
- 3.4L V6 (earlier Gen 1): Parts generally $20–$70 aftermarket; OEM ranges about $50–$110.
- 3.6L V6 (later Gen 1 into Gen 2): Parts usually $30–$90 aftermarket; OEM $60–$120.
Prices can vary by year and market, so check both aftermarket and OEM options for your specific engine code and vehicle year.
Labor costs to replace the RMS
Labor is the dominant portion of the total repair cost. Replacement time and rate depend on the shop and the engine design. Here are typical ranges you might see:
- Independent repair shop: roughly $420–$850 in labor, depending on engine and access requirements.
- Dealership service department: commonly $700–$1,200 in labor, with higher hourly rates and sometimes more extensive work needed.
- Do-it-yourself: possible in theory but not usually recommended for most owners due to the complexity and risk; if undertaken by an experienced mechanic, expect 5–12 hours of labor plus tool costs.
These figures reflect typical market prices in the United States as of 2024–2026 and can shift with labor rates, availability of parts, and regional demand.
Where to buy the rear main seal (RMS)
Shop around for RMS kits from both OEM and aftermarket brands. The price you pay will depend on the engine, the seal design, and whether you purchase a full timing cover or rear main seal kit that includes gaskets and seals. Common sources include:
- Auto parts chains (e.g., AutoZone, O'Reilly Auto Parts, Advance Auto Parts)
- Online retailers (e.g., RockAuto, Amazon)
- GM OEM parts distributors or dealership parts counters
Always confirm compatibility with your exact Equinox year, engine, and VIN to avoid ordering the wrong RMS kit.
Summary
The rear main seal price for a Chevy Equinox involves two main components: the seal itself and the installation labor. Parts typically cost from about $15 to $120 depending on engine type and OEM vs. aftermarket options, while labor commonly ranges from roughly $400 to $1,200 depending on the shop and engine access needs. For a precise figure, identify your engine code, check current quotes from a few local shops, and compare OEM vs. aftermarket pricing.
What this means for you
If you notice an oil leak near the rear of the engine or hear oil seepage, obtain multiple estimates that itemize parts and labor. Given the job’s complexity, shop choice can significantly affect the final price. Planning ahead by knowing your engine type and securing parts in advance can help you avoid sticker shock at the shop.