{"product_id":"9988539-compression-meter-genuine-volvo-penta","title":"9988539 Compression Meter | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Genuine Volvo Penta compression meter 9988539, weighing 2.223 kg. Volvo Penta's own special tools catalogue confirms the compression meter designation and lists 117 products against it: the D1, D2 and D3 ranges and the D11, D12, D13 and D16 engines. It supersedes 9999691, catalogued earlier as a compression gauge.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  2.223 kg\n \u003c\/li\u003e\n \u003cli\u003e\n  Listed for the D1, D2 and D3 ranges and the D11, D12, D13 and D16 engines\n \u003c\/li\u003e\n \u003cli\u003e\n  117 product designations in all\n \u003c\/li\u003e\n \u003cli\u003e\n  Supersedes 9999691, catalogued earlier as a compression gauge\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Measures the pressure a cylinder builds on the compression stroke, so the sealing of rings, bore and valves can be judged against specification.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Readings drifting, sticking or not repeating between cylinders\n \u003c\/li\u003e\n \u003cli\u003e\n  Needle not returning to zero when the gauge is bled\n \u003c\/li\u003e\n \u003cli\u003e\n  Leaking hose, adapter or non-return valve giving low readings\n \u003c\/li\u003e\n \u003cli\u003e\n  Gauge glass cracked or the face fogged\n \u003c\/li\u003e\n \u003cli\u003e\n  Adapter threads damaged so the seal at the cylinder is poor\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🛠️ Service Notes\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  A leaking adapter reads as low compression, so check the tool before condemning an engine\n \u003c\/li\u003e\n \u003cli\u003e\n  Measuring instruments need periodic calibration checks if the readings are to be relied on\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/h2\u003e\n\u003ch3\u003e\n OEM Supersession Chain\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  9988539 → Supersedes 9999691\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n OEM \/ Related Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  9999691 earlier number superseded by this part\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📦 Condition\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta part\n \u003c\/li\u003e\n \u003cli\u003e\n  Brand new\n \u003c\/li\u003e\n \u003cli\u003e\n  Supplied in original or equivalent packaging\n \u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":53379356721444,"sku":"X184559","price":1433.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_c8faf96e-2244-4257-a652-1ff3d23adf3b.jpg?v=1788109772","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/9988539-compression-meter-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}