# 3852685 Volvo Chain | Genuine Used Part πŸ”§ Product Description Genuine Used Volvo Penta GM-Based Engine Timing Chain - Part Number: 3852685 A genuine pre-owned Volvo Penta camshaft timing chain for selected GM-based marine petrol engines. The chain connects the crankshaft sprocket to the camshaft sprocket, maintaining the correct relationship between piston movement and valve operation. βš™οΈ Key Features β€’ Genuine Volvo Penta used timing chain β€’ Correct OEM part number 3852685 β€’ Used in selected GM-based Volvo Penta engines β€’ Suitable for compatible V6 and V8 timing systems β€’ MerCruiser and aftermarket cross-references available πŸ”„ Supersession & Cross Reference OEM Supersession Chain: β€’ Volvo Penta 3852685 - OEM timing-chain reference β€’ No verified Volvo supersession identified OEM / Related Numbers: β€’ 3852685 β€’ MerCruiser: 17161 β€’ MerCruiser: 17161T β€’ MerCruiser: 8M0187687 β€’ Related Volvo sprocket: 3856114 β€’ Related camshaft: 3856119 Aftermarket / Verified Equivalents: β€’ Recmar: REC12501 β€’ Aftermarket heavy-duty 262-link timing-chain application β€’ GM marine timing-chain replacements cross-referenced to 3852685 🚀 Compatibility Commonly used on selected Volvo Penta: β€’ 4.3L GM-based V6 petrol engines β€’ 5.0L GM-based V8 petrol engines β€’ 5.7L GM-based V8 petrol engines β€’ V8-300-A β€’ V8-320-A β€’ GL, Gi, GXi and OSi engine families whose camshaft diagram specifies 3852685 Important fitment note: β€’ Timing-chain selection must be based on the exact engine and sprocket set. β€’ Do not reuse a chain with measurable pitch elongation. β€’ Timing chains and sprockets should normally be replaced as a matched set. πŸ”Œ Function The chain transfers crankshaft rotation to the camshaft at a two-to-one speed ratio. Common signs of wear: β€’ Timing-chain rattle β€’ Excessive crankshaft-to-camshaft movement β€’ Ignition timing fluctuates β€’ Reduced power β€’ Difficult starting β€’ Camshaft timing is retarded β€’ Chain rollers or links are worn β€’ Metal debris is present behind the timing cover Recommended checks before installation: β€’ Measure chain deflection and elongation β€’ Inspect the crank and cam sprockets β€’ Check the camshaft end float β€’ Inspect the timing cover and oil seal β€’ Align the timing marks β€’ Rotate the engine manually before starting πŸ“¦ Condition β€’ Genuine Volvo Penta used part β€’ Pre-owned internal engine component β€’ Oil staining and normal surface marks may be present β€’ Measurement against the service limit is required β€’ New timing components are recommended where service history is unknown β€’ Supplied in protective or equivalent packaging ## Details - **Price:** 60.0 AUD - **Vendor:** Sawley's Auto and Marine - **Tags:** Sawley’s AAM Used Parts – Timing Components | Timing Chains Gears & Components ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 60.00 AUD | In stock | ## Images - 3852685 Volvo Chain | Genuine Used Part --- > Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3852685-volvo-chain-genuine-used-part) > Updated: 2026-07-12