TPMS sensors — part number and pricing

Tags: #tpms · #wheels · #part-number

Part number and frequency. Original TPMS sensor part number: 5GA037973 (also referenced as BM133714XA in a later message) ¹²³. Frequency is model-year specific: post-2016 models use 434 MHz, pre-2016 models use 433 MHz ⁴⁵. Aftermarket sensors from AliExpress labeled "for X80" often don't specify year and may be incompatible with 2020+ cars; sensors sold on Ozon built for the US market (different frequency) are also incompatible ⁶⁷⁸. Original sensors must be programmed/matched to the vehicle; cheap AliExpress alternatives may self-program, but a year-specific frequency mismatch will still prevent them from working ⁹¹⁰. Installing a replacement sensor requires vehicle programming via a diagnostic scanner with an antenna module — a basic scanner is not sufficient ²³.

Prices (RUB, RU market). Original sensor 5GA037973: 2,880 RUB (Naberezhnyye Chelny, 2024-10-24) ¹¹. Aftermarket LUMER-brand sensor: 1,400 RUB (Ozon, RU market, 2024-10-24) — cheaper but carries the compatibility risk above ¹²¹³.

Battery failure and replacement (2025-05). When the TPMS warning light comes on despite normal tire pressure, the cause is often sensor battery depletion or lost programming ¹⁴. Two remedies discussed: 1. Replace the sensor outright — requires dismounting the wheel/breaking the bead, and reprogramming to the vehicle's frequency. Cost: ~4,300 RUB for an OEM sensor or ~3,200 RUB for an analog (RU market, May 2025) ¹⁵¹⁶. 2. Some sensors allow the battery itself to be swapped (CR2450-2P, 3V) by opening the housing and resoldering. One member reported success doing this on a Fiat Doblo, but the X80 sensor housing is epoxy-sealed, making non-destructive opening difficult ^17181920.

Disagreement: some members report the X80 sensor housings are fully epoxy-sealed (forcing full replacement), while others say the battery can be changed with sufficient skill and soldering. A battery swap is considered a temporary fix at best; OEM sensor replacement is the recommended solution ¹⁷¹⁹.

Media

TPMS sensor disassembled, showing battery location inside epoxy-sealed housing

Modified TPMS sensor with an externally soldered replacement battery

Related pages

• TPMS part numbers and universal sensors
• TPMS sensor battery life and replacement
• TPMS sensors — 5GA/5BA reports, programming, IDs
• X80F catalog: chassis part codes
• TPMS warning without sensors and disabling

Sources

This page is compiled from 20 community messages. Every fact carries a numbered reference to its original author and message.

Last updated: 2026-10-29