# Volvo Penta TD121 Service Parts ## Volvo Penta TD121 Service Parts The Volvo Penta TD121 is an industrial diesel of the same family as the TD100, catalogued in TD121C and TD121G variants including the GG and GGP builds used in generator applications. Sawley’s Auto and Marine is the [authorised Volvo Penta dealer for South Australia](https://www.sawleysautoandmarine.com.au/pages/volvo-penta-dealer-for-marine-and-industrial). Every product page below carries its own compatibility list — always check it against your engine designation and serial number. ### What a TD121 Service Uses An annual engine service normally comes down to the same handful of consumables. For the TD121, all of them can be pulled straight from the genuine catalogue: - **Filter elements** — Genuine oil, fuel and air filter elements carrying a fitment tag for this engine are listed in the [filtered collection](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-filters?filter.p.m.custom.engine_series=TD121); match the part against your engine designation and serial number. - **Fuel filter** — the genuine fuel filter catalogued against the TD121 range here is [243405](https://www.sawleysautoandmarine.com.au/products/243405-fuel-filter-kit-genuine-volvo-penta); check its compatibility list against your model. - **Air filter** — Genuine air filters carrying a fitment tag for this engine are listed in the [filtered collection](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-filters?filter.p.m.custom.engine_series=TD121); match the part against your engine designation and serial number. - **Water pump impeller** — the genuine impeller catalogued against this engine is [1675944](https://www.sawleysautoandmarine.com.au/products/1675944-impeller-genuine-volvo-penta); check the compatibility list on the product page before ordering. - **Drive belts** — Genuine drive belts and tensioners carrying a fitment tag for this engine are listed in the [filtered collection](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-belts-pulleys-tensioners?filter.p.m.custom.engine_series=TD121); match the part against your engine designation and serial number. - **Thermostat** — Genuine thermostats and cooling-system spares carrying a fitment tag for this engine are listed in the [filtered collection](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-cooling-system?filter.p.m.custom.engine_series=TD121); match the part against your engine designation and serial number. - **Gaskets & seals** — Genuine gaskets, O-rings and seals carrying a fitment tag for this engine are listed in the [filtered collection](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-gaskets-seals?filter.p.m.custom.engine_series=TD121); match the part against your engine designation and serial number. - **Engine oil & coolant** — genuine oils and coolant are listed under [Oils & Chemicals](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-oils-chemicals); always confirm the grade against your engine manual. Beyond the service list, every TD121-tagged part on the site can be browsed by category: [Filters](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-filters?filter.p.m.custom.engine_series=TD121), [Service & Repair Kits](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-service-repair-kits?filter.p.m.custom.engine_series=TD121), [Belts & Tensioners](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-belts-pulleys-tensioners?filter.p.m.custom.engine_series=TD121) and [Gaskets & Seals](https://www.sawleysautoandmarine.com.au/collections/volvo-penta-gaskets-seals?filter.p.m.custom.engine_series=TD121), each narrowed to the engine family. ### TD121 Service Parts, Pictured - [![Genuine Volvo Penta Fuel Filter Kit 243405](https://cdn.shopify.com/s/files/1/0994/8115/7924/files/original_1a37f298-00d5-4477-9ff7-4c02d43a22a8.jpg?width=400)](https://www.sawleysautoandmarine.com.au/products/243405-fuel-filter-kit-genuine-volvo-penta) Fuel Filter Kit 243405 - [![Genuine Volvo Penta Air Filter 3825778](https://cdn.shopify.com/s/files/1/0994/8115/7924/files/original_b175bcc8-2715-4604-9996-deca07d9cf51.jpg?width=400)](https://www.sawleysautoandmarine.com.au/products/3825778-air-filter-genuine-volvo-penta) Air Filter 3825778 - [![Genuine Volvo Penta Air Filter 3826215](https://cdn.shopify.com/s/files/1/0994/8115/7924/files/original_1f95290f-67f0-491d-b275-438be7bf3203.png?width=400)](https://www.sawleysautoandmarine.com.au/products/3826215-air-filter-genuine-volvo-penta) Air Filter 3826215 - [![Genuine Volvo Penta Air Filter 842280](https://cdn.shopify.com/s/files/1/0994/8115/7924/files/original_9bd8f080-254a-4b73-b3ea-7d9e91c010a4.jpg?width=400)](https://www.sawleysautoandmarine.com.au/products/842280-air-filter-genuine-volvo-penta) Air Filter 842280 - [![Genuine Volvo Penta Impeller 1675944](https://cdn.shopify.com/s/files/1/0994/8115/7924/files/original_be996cc7-7ead-4eeb-b652-0b3d9df50d5b.jpg?width=400)](https://www.sawleysautoandmarine.com.au/products/1675944-impeller-genuine-volvo-penta) Impeller 1675944 - [![Genuine Volvo Penta Thermostat 3839110](https://cdn.shopify.com/s/files/1/0994/8115/7924/files/original_0dfe6875-5c78-491d-8e8f-cf84fe0f7e9f.jpg?width=400)](https://www.sawleysautoandmarine.com.au/products/3839110-thermostat-genuine-volvo-penta) Thermostat 3839110 - [![Genuine Volvo Penta Thermostat 8149186](https://cdn.shopify.com/s/files/1/0994/8115/7924/files/original_0f9f497e-2f95-4522-9759-99733d68ce9f.jpg?width=400)](https://www.sawleysautoandmarine.com.au/products/8149186-thermostat-genuine-volvo-penta) Thermostat 8149186 - [![Genuine Volvo Penta Thermostat Retainer 822628](https://cdn.shopify.com/s/files/1/0994/8115/7924/files/original_52c525fe-02eb-49e3-8273-c348e91d7046.jpg?width=400)](https://www.sawleysautoandmarine.com.au/products/822628-thermostat-retainer-genuine-volvo-penta) Thermostat Retainer 822628 ### Not Sure Which Part Fits? Parts differ within a family by model, build year and specification — two engines with the same designation on the rocker cover can take different filters or impellers depending on serial number. Check the compatibility list on each product page against your engine plate before ordering, or call us on **[0412 532 984](tel:+61412532984)** with the serial number and we will confirm the right parts for your engine. Related service-parts pages: [TD100](https://www.sawleysautoandmarine.com.au/pages/volvo-penta-td100-service-parts) · [TAMD122](https://www.sawleysautoandmarine.com.au/pages/volvo-penta-tamd122-service-parts) · [D13](https://www.sawleysautoandmarine.com.au/pages/volvo-penta-d13-service-parts) — or browse the whole catalogue via [Shop Parts by Category](https://www.sawleysautoandmarine.com.au/pages/shop-parts). To order TD121 service parts, or to have a parts list checked against your engine serial number, call Sawley’s Auto and Marine on **[0412 532 984](tel:+61412532984)** — authorised Volvo Penta dealer, Kadina, South Australia. We ship Australia-wide. --- > Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/pages/volvo-penta-td121-service-parts)