{"product_id":"sylvania-h4656-xtravision-100x165-sealed-beam-halogen-headlight-whiter-brighter-down-road-visibility-contains-1-bulb","title":"SYLVANIA H4656 XtraVision 100x165 Sealed-Beam Halogen Headlight — Whiter, Brighter Down-Road Visibility (Contains 1 Bulb)","description":"\u003cp\u003e\u003cstrong\u003eSYLVANIA H4656 XtraVision is a 100x165 halogen sealed-beam headlight engineered to deliver brighter, whiter illumination than standard OE replacements, sold as a single bulb (contains 1 bulb).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your vehicle's sealed-beam lighting with a tried-and-tested halogen option from SYLVANIA, a century-old leader in automotive illumination. The H4656 XtraVision is built to put more usable light down the road for clearer visibility while retaining legal on-road performance. This product is a direct-fit 100x165 sealed beam designed to replace like-for-like housings and improve night-time clarity without changing your vehicle's wiring or optics.\u003c\/p\u003e\n\n\u003ch3\u003eHow much brighter is the H4656 XtraVision compared to a standard OE sealed beam?\u003c\/h3\u003e\n\u003cp\u003eThe XtraVision formulation shifts output toward whiter, higher-contrast light and increases perceived down-road visibility. It does not change the sealed-beam housing or beam cutoff but enhances the usable light drivers see.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWhiter halogen color for improved contrast and road detail.\u003c\/li\u003e\n  \u003cli\u003eDesigned for more perceptible light at distance versus basic OE bulbs.\u003c\/li\u003e\n  \u003cli\u003eLegal for on-road use—improved visibility without illegal beam alterations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this H4656 bulb fit my vehicle and is installation complicated?\u003c\/h3\u003e\n\u003cp\u003eThe H4656 XtraVision is a 100x165 sealed-beam unit intended as a direct replacement for compatible vehicles that use that size. Installation is typically straightforward: remove the old sealed beam, unplug, and install the new unit—no additional wiring or adapters required for a correct fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit 100x165 sealed-beam shape for like-for-like replacement.\u003c\/li\u003e\n  \u003cli\u003eNo rewiring or conversion parts needed for compatible housings.\u003c\/li\u003e\n  \u003cli\u003eCheck the SYLVANIA bulb replacement guide or vehicle manual before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShould I replace one bulb or both, and what maintenance tips help longevity?\u003c\/h3\u003e\n\u003cp\u003eAlthough this listing contains one H4656 bulb, SYLVANIA recommends replacing headlights in pairs for even light output and balanced visibility. Halogen bulbs dim subtly with age, so pairing ensures symmetrical illumination and safer night driving.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace bulbs in pairs for consistent beam pattern and brightness.\u003c\/li\u003e\n  \u003cli\u003eAvoid touching the glass with bare hands to protect filament life.\u003c\/li\u003e\n  \u003cli\u003eInspect connectors and housing for corrosion when replacing bulbs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes SYLVANIA a reliable choice for sealed-beam headlight replacements?\u003c\/h3\u003e\n\u003cp\u003eSYLVANIA has supplied OEM and aftermarket lighting for over 100 years, blending manufacturing experience with product consistency. The H4656 XtraVision leverages that heritage to offer a halogen sealed beam that balances improved visibility with dependable, road-legal performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDecades-long OEM and aftermarket experience in automotive lighting.\u003c\/li\u003e\n  \u003cli\u003eProducts designed to meet practical performance needs—style, safety, and functionality.\u003c\/li\u003e\n  \u003cli\u003eClear guidance via SYLVANIA replacement guides to ensure correct fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The SYLVANIA H4656 XtraVision sealed-beam headlight is for drivers who want a straightforward, road-legal brightness upgrade in a direct-fit 100x165 halogen unit. It suits owners of older or classic vehicles that use sealed-beam optics, fleet vehicles seeking predictable replacement parts, and anyone who prefers OEM-style installation without electrical modification. If you need improved night-time clarity while keeping original housings and legal compliance, this single-bulb H4656 XtraVision is a practical, dependable choice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this listing include one or two bulbs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing contains one H4656 sealed-beam bulb; SYLVANIA recommends replacing headlights in pairs for balanced light.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the H4656 XtraVision legal for road use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The H4656 XtraVision is designed as a road-legal halogen sealed-beam replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":48084644069534,"sku":"B000C18Q3A","price":37.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sylvania-h4656-front-view.jpg?v=1785861518","url":"https:\/\/northtrailauto.ca\/products\/sylvania-h4656-xtravision-100x165-sealed-beam-halogen-headlight-whiter-brighter-down-road-visibility-contains-1-bulb","provider":"North Trail Auto","version":"1.0","type":"link"}