PRODUCT DETAILS
Honda D16Y7/D16Y8 Alternator Belt - 31110-P2A-505
Your D16's alternator belt is squealing, cracked, or you're getting a battery light on the dash? Part number 31110-P2A-505 is the OEM alternator belt for D16Y7 and D16Y8 engines. This belt runs from the crankshaft pulley to the alternator pulley and spins the alternator to charge your battery. When the belt's loose, worn, or cracked, it slips. You're hearing squealing from the engine bay, your battery's not charging properly, or the battery light comes on. Fresh belt stops the squealing and keeps your alternator spinning so your battery stays charged.
Here's Why Belts Fail
Belts wear out from heat, age, and constant flexing. The rubber gets hard and cracks over time. You'll see cracks running across the ribs on the inside of the belt. Once it's cracked, it's on borrowed time. The belt can also glaze over from slipping. The surface gets shiny and smooth instead of grippy. A glazed belt won't grip the pulleys properly and it slips even when it's tensioned right. Sometimes the belt just stretches out from years of use and the tensioner can't take up enough slack anymore. Any of these means you need a new belt before it breaks and leaves you stranded with a dead battery.
Don't Wait Until It Breaks
People ignore squealing belts for months until the belt snaps on the highway. Then you're on the side of the road with a dead battery because your alternator's not spinning. Your engine might still run for a bit on whatever charge is left in the battery, but once that's gone you're calling a tow truck. Belts are cheap. Replace it when you see cracks or hear squealing. Don't wait until it breaks. Check your belt every oil change. If it's cracked, glazed, or making noise, throw a fresh one on. Takes maybe fifteen minutes and saves you from getting stranded.
OEM Belts Last Longer Than Cheap Ones
You can get aftermarket belts for half the price of OEM. Some are fine. Some are made from cheap rubber that cracks in six months or stretches out fast. The OEM Honda belt's built to the same spec as what came on your car from the factory. Good rubber compound that handles heat and flexing without cracking or glazing. It costs a few bucks more but it lasts. Don't cheap out on a belt and end up replacing it twice as often. OEM belts go 60k+ miles if you tension them right. Cheap belts might not make it to 30k.
What You Get
- Honda OEM alternator belt (part number 31110-P2A-505)
- Drives alternator from crankshaft pulley
- Keeps battery charged
- Same belt your engine came with from the factory
Fits Your Car
- 1996-2000 Honda Civic (D16Y7/D16Y8)
Compatible Engines
- D16Y7 (1996-2000 Civic DX/LX/CX)
- D16Y8 (1996-2000 Civic EX)
Note: Check your belt tension after installing the new belt. The belt should have about 1/2 inch of deflection when you press on it halfway between the pulleys. Too loose and it slips and squeals. Too tight and it wears out the alternator and water pump bearings. If you're hearing squealing after you've installed the belt, it's not tensioned right. Loosen the alternator adjustment bolt, pull the alternator away from the engine to tension the belt, then tighten the bolt while holding the alternator in place. After you've driven the car for a few days, check the tension again. New belts can stretch a bit during break-in and might need retensioning.