# 970771 Cavity Plug | Genuine Volvo Penta Part ## 🔧 Product Description Genuine Volvo Penta cavity plug with a 3.4 mm inside diameter and a 6.0 mm outside diameter, listed for 336 applications across the D, TAD, TAMD, TWD, TD and TADH families. It supersedes 20724341 and 3589939, the latter having been catalogued earlier as a plug. ## 🚤 Compatibility - **Engine Family:** D, TAD, TAMD, TWD, TD, TADH - **HP Range:** 13-480 HP Full model list at the end of this description. ## ⚙️ Key Features - 3.4 mm inside diameter - 6.0 mm outside diameter - Supersedes 20724341 and 3589939 - 336 applications across six engine families - 3.4mm (Volvo assembly listing) ## 🔌 Function Blanks off an unused cavity in a connector housing, keeping water and dirt out of a chamber that has no terminal in it. ## ⚠️ Common Signs of Failure - Water or corrosion found inside the connector - Plug missing from an unused cavity - Plug loose, split or pushed out of its bore - Nearby terminals showing green corrosion ## 🛠️ Service Notes - Old number 3589939 is now covered by two current parts, this cavity plug and cable seal 970772, so the pair are ordered together rather than one instead of the other - Fit a plug in every unused cavity, an open one lets water into the whole connector ## 🔄 Supersession & Cross Reference ### OEM Supersession Chain - 970771 → Supersedes 20724341 ### OEM / Related Numbers - 20724341 earlier number superseded by this part ## 📦 Condition - Genuine Volvo Penta part - Brand new - Supplied in original or equivalent packaging ## 🔎 Full Model Compatibility Typically suits: - Volvo Penta D3-110I-B, D3-110I-C, D3-130I-C, D3-220I-G, D3-130A-A, D3-160A-A, D3-130A-B, D3-160A-B, D3-130A-C, D3-160A-C, D3-140A-D, D3-170A-D, D3-200A-D, D3-220A-D, D3-140I-D, D3-140A-E, D3-170A-E, D3-200A-E, D3-220A-E, D3-140I-E, D3-140A-F, D3-170A-F, D3-200A-F, D3-220A-F, D3-140I-F, D3-140A-G, D3-170A-G, D3-200A-G, D3-220A-G, D3-140I-G, D3-190A-B, D3-190A-C, D3-190I-A, D3-110I-A, D3-130I-A, D3-160I-A, D3-110I-D, D3-150I-D, D3-170I-D, D3-200I-D, D3-220I-D, D3-110I-E, D3-150I-E, D3-170I-E, D3-200I-E, D3-220I-E, D3-110I-F, D3-150I-F, D3-170I-F, D3-200I-F, D3-220I-F, D3-110I-G, D3-150I-G, D3-170I-G, D3-200I-G, D3-110I-H, D3-160I-C, D3-190I-B, D3-190I-C, D3-140A-H, D3-170A-H, D3-200A-H, D3-220A-H, D3-130I-B, D3-160I-B, D3-150I-H, D3-170I-H, D3-200I-H, D3-220I-H, D3-140I-H - Volvo Penta D13C3-B MH, D13C1-B MH, D13C4-B MH, D13C2-B MP, D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13B-A MP, D13B-C MH, D13B-H MP, D13B-G MP, D13B-L MP, D13B-E MG (FE), D13B-E MH, D13B-E MH (FE), D13B-F MG, D13B-F MG (FE), D13B-K MP, D13B-N MH, D13B-N MH (FE), D13B-B MP, D13B-D MP, D13B-J MP, D13B-M MP, D13B-C MP, D13C4-B MP, D13C5-B MP, D13C6-A MP, D13C1-A MH, D13C2-A MH, D13C5-A MP, D13C2-A MG, D13C1-A MG, D13C7-B MP, D13C8-B MP - Volvo Penta D6-330A-F, D6-370A-F, D6-330D-F, D6-370D-F, D6-300A-F, D6-300D-F, D6-300I-F, D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-300A-G, D6-340A-G, D6-380A-G, D6-440I-WJ-G, D6-480I-WJ-G, D6-300D-G, D6-340D-G, D6-380D-G, D6-440D-G, D6-480D-G, D6-400A-G, D6-440A-G, D6-300I-G, D6-330I-F, D6-370I-F, D6-435D-F, D6-400A-F, D6-435I-F - Volvo Penta D4-260A-F, D4-260D-F, D4-260I-F, D4-300A-F, D4-300D-F, D4-180I-F, D4-225I-F, D4-300I-F, D4-225A-F, D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G, D4-150A-G, D4-230A-G, D4-270A-G, D4-320A-G, D4-300A-G, D4-145I-G - Volvo Penta D11C1-A MP, D11C3-A MP, D11C2-A MP, D11C4-A MP, D11B3-A MP, D11B4-A MP, D11A-A, D11A-B, D11A-C, D11A-D, D11A-E, D11B2-A MP, D11A-C MP, D11A-D MP, D11A-E MP, D11A-C (IPS), D11B1-A MP - Volvo Penta D12C-A MP, D12D-A MG, D12D-A MH, D12D-A MP, D12D-B MH, D12D-B MP, D12D-C MH, D12D-C MP, D12D-D MP, D12D-E MG, D12D-E MH, D12D-E MP, D12D-F MP, D12D-G MH, D12D-G MP, D12D-H MP - Volvo Penta D9A2J, D9A2G, D9A2L MH, D9A2D, D9A2B, D9A2F, D9A2K, D9A2H, D9A2M MP, D9A2A, D9A2C, D9A2E - Volvo Penta D16C-A MG, D16C-A MH, D16C-B MH, D16C-C MH, D16C-D MH, D16C1-E MH, D16C1-F MH, D16C2-E MH, D16C2-F MH - Volvo Penta D8A2-A MP, D8A5-A MH, D8A6-A MH, D8A5-A MG, D8A6-A MG, D8A4-A MP, D8A1-A MP, D8A3-A MP - Volvo Penta TAMD74P-A, TAMD74P-B, TAMD74A, TAMD74C-A, TAMD74C-B, TAMD74L-A, TAMD74L-B - Volvo Penta D2-40F, D2-55F, D2-50F, D2-75F, D2-60F - Volvo Penta TAMD162C-C, TAMD162A, TAMD162B, TAMD162C, TAMD162C-B - Volvo Penta D1-30F, D1-13F, D1-20F - Volvo Penta TAD1241GE, TAD1241VE, TAD1241-42VE - Volvo Penta TAD1640-42GE-B, TAD1640GE, TAD1640VE-B - Volvo Penta TAD1641VE-B, TAD1641GE, TAD1641VE - Volvo Penta TAD1642VE-B, TAD1642GE, TAD1642VE - Volvo Penta TAD1650VE-B/51VE, TAD1650GE, TAD1650VE - Volvo Penta TAMD165A, TAMD165C, TAMD165P - Volvo Penta TAD1242GE, TAD1242VE - Volvo Penta TAD1250VE, TAD1250-52VE - Volvo Penta TAD1341-43GE-B, TAD1341VE - Volvo Penta TAD1344-45GE-B, TAD1344VE - Volvo Penta TAD1631GE, TAD1631G - Volvo Penta TAD1643VE-B, TAD1643VE - Volvo Penta TAD570-72VE, TAD570-71VE-B - Volvo Penta TAD840GE, TAD840-43VE - Volvo Penta TAD880-82GE, TAD880-84VE - Volvo Penta TAD940GE, TAD940VE - Volvo Penta TAD941VE, TAD941GE - Volvo Penta TADH880-82GE, TADH880-84VE - Volvo Penta TAMD163A-A, TAMD163P-A - Volvo Penta TAMD63L-A, TAMD63P-A - Volvo Penta TAMD73P-A, TAMD73WJ-A - Volvo Penta TAD1140-42VE - Volvo Penta TAD1150-52VE - Volvo Penta TAD1170-72VE - Volvo Penta TAD1240GE - Volvo Penta TAD1251VE - Volvo Penta TAD1252VE - Volvo Penta TAD1340VE - Volvo Penta TAD1342VE - Volvo Penta TAD1343VE - Volvo Penta TAD1345VE - Volvo Penta TAD1350VE - Volvo Penta TAD1351-53VE - Volvo Penta TAD1360-62VE - Volvo Penta TAD1363-65VE - Volvo Penta TAD1371-75VE - Volvo Penta TAD1380-82GE - Volvo Penta TAD1381-85VE - Volvo Penta TAD1384-85VE-IWP - Volvo Penta TAD1630GE - Volvo Penta TAD1651GE - Volvo Penta TAD1660-62VE - Volvo Penta TAD1662VE EU5 - Volvo Penta TAD1670-72VE - Volvo Penta TAD540-42VE - Volvo Penta TAD550-51VE - Volvo Penta TAD552VE - Volvo Penta TAD580-83VE - Volvo Penta TAD850-52VE - Volvo Penta TAD853VE - Volvo Penta TAD870-73VE - Volvo Penta TAD942VE - Volvo Penta TAD943VE - Volvo Penta TAD950VE - Volvo Penta TAD951VE - Volvo Penta TAD952VE - Volvo Penta TAMD71B - Volvo Penta TAMD72A - Volvo Penta TAMD75P-A - Volvo Penta TD520VE - Volvo Penta TD720VE PP - Volvo Penta TWD1240VE - Volvo Penta TWD1620G - Volvo Penta TWD1630G - Volvo Penta TWD1643GE - Volvo Penta TWD1644-45GE - Volvo Penta TWD1652GE - Volvo Penta TWD1653GE - Volvo Penta TWD1663GE - Volvo Penta TWD1672-1673GE - Volvo Penta TWD1682-83GE - Volvo Penta TWD1683GE-B ## Details - **Price:** 1.61 AUD - **Vendor:** Volvo Penta - **Type:** Fasteners & Fixings - **Tags:** Volvo Penta ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1.61 AUD | In stock | ## Images - 970771 Cavity Plug | Genuine Volvo Penta Part --- > Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/970771-cavity-plug-genuine-volvo-penta) > Updated: 2026-09-06