Connecting rod

A connecting rod, or conrod, is the engine part that joins each piston to the crankshaft, turning the piston's up-and-down motion into the spinning motion that drives the car. It has two jobs: to pass the force of every combustion stroke to the crank, and to convert that straight-line motion into rotation.When a connecting rod goes bad it usually knocks loudly from deep in the engine, and if it lets go it can punch through the block and destroy the engine. An engine connecting rod sits inside the block, swinging on the crankshaft thousands of times a minute, so oil starvation, over-revving, or a failed bearing bends or breaks one.Signs to watch for:

• A deep knock that rises and falls with engine speed.
• A bent rod after hydrolock, when water is drawn into a cylinder.
• A broken rod from over-revving or a snapped rod bolt.
• Low oil pressure, or metal flakes in the oil.

A knocking connecting rod will not fix itself and can wreck the engine, so stop driving and have it checked at the first deep knock. A used connecting rod is the budget route for a rebuild, but the right one is hard to track down.Parthunt24 collates used connecting rod offers from marketplaces like ProxyParts, Ovoko, eBay, and TotalParts, putting 96 offers on one page so you can compare price, condition, and spec before you head to a seller.

A connecting rod is machined to one exact engine, so the engine code and dimensions matter, not how it looks.Match the make, model, engine code, and OEM part number, then the rod length, the big-end and small-end sizes, the bearing type, the engine type, the bolt grade, and the weight. A rod of the wrong length or weight, or with reused bolts, can destroy an engine on the first start, so accuracy is everything.Pick your engine from the Parthunt24 filters, and only rods that suit it remain. Click a listing and you cross to the site that listed it, Ovoko or ProxyParts for example, to go over the spec and buy.

• Engine compatibility: Match the exact make, model, engine code, and OEM part number.
• OEM part number: The most reliable way to ensure correct fitment.
• Engine type: Petrol, diesel, turbocharged, or naturally aspirated versions differ.
• Rod length (centre-to-centre): Must match the original engine specification exactly.
• Big-end diameter: Must match the crankshaft journal size.
• Small-end diameter: Must match the piston pin (wrist pin) size.
• Rod bearing type: Verify the correct bearing specification and clearance.
• Weight matching: Rods must be balanced within engine tolerances.
• Forged vs. cast type: Must suit the engine’s performance requirements.
• Bolt type and grade: Rod bolts must match the OEM strength specification.
• Number of rods required: A full set is often recommended for engine balance.
• Condition: Check for bending, cracks, worn bearing surfaces, or overheating marks.

Once you click through, the close-up photos and what the seller writes separate a reusable rod from scrap before you buy connecting rod stock you cannot send back, since a bent or fatigued rod can look fine at a glance. A connecting rod is rarely fitted alone, so check the listing covers the full matched set, and that new rod bolts are used, since old bolts must never be refitted. Work through these:

• Photos: the beam, the big-end and small-end, the bolts, and the bearing faces.
• Seller reputation: an engine rebuilder or specialist breaker with good feedback.
• Compatibility info: the engine code and OEM number matched to your engine.
• Included components: a single rod, or a matched set with bolts and bearings?
• Condition description: any bending, cracks, or bearing wear spelled out.
• Testing/inspection: a note the rods were checked straight and weight-matched.
• Warranty and returns: a clear policy if a rod is bent or out of spec.
• Shipping and packaging: each rod is wrapped so the journals are not nicked.
• Documentation: the donor engine, its mileage, and why it came out.

If the set and bolts check out, buy it on the seller's page.

A connecting rod price hinges on the engine, the material, and whether you need one rod or a full set, rather than a single figure. A used rod for a common engine is cheap, a matched set costs more, and forged rods for a rare engine cost the most.On Parthunt24, you can secure yourself a connecting rod starts from as little as 6.00. What stretches one connecting rod price above another:

• Quantity: a full matched set costs far more than one rod, raising the connecting rod price.
• Material: a forged connecting rod costs more than a cast one.
• Rarity: rods for a niche or performance engine are seldom in stock.
• Condition: a straight, crack-free rod with good bearing faces holds its value.

Sort the connecting rod prices low to high and the best-value rod tops the list, so sorting by connecting rod price points you to the best price.

When a rod lets go, a connecting rod replacement is rarely the whole story, so the parts around it are worth a careful look. Price these up on Parthunt24 too:

• Engine: a thrown rod often scraps the block, so a replacement engine may be the cheaper fix.
• Timing belt: a snapped belt can bend rods and valves on an interference engine.
• Water pump: overheating cooks the bearings a rod relies on.
• Crankshaft: a thrown rod or spun bearing can score or crack it.
• Piston ring: worn rings often come with rod and bearing wear.
• Crankshaft pulley: rides the crank nose and drives the belts.
• Crankshaft holder: the main-bearing caps that hold the crank.
• Crankshaft gear: drives the cam timing off the crank.
• Balance shaft: geared to the crank to smooth out vibration.

A rebuild usually wants a full set of connecting rods matched on weight, not just any single rod that fits. Finding the right ones can be a daunting task at best, and a weekend long slog at worst. Parthunt24 takes the pain out of the process, bringing offers from major marketplaces together in one view, so you can read each connecting rod's spec, price, and condition at a glance.Set your make and model, line up the connecting rod prices, and the best deal for your engine stands out. With used connecting rods for sale from across the market, from one rod to one of the best connecting rods for a full rebuild, the right one is here: you can buy connecting rod sets, or buy connecting rod parts singly, all at a low price. Compare prices, find the best deal, and buy a connecting rod for your car today on Parthunt24.