2PCS 120007826 12V 4-Pin NO Relay 40A Compatible with Opel/Vauxhall Corsa E 2015-2019 Engine Bay Fuse Box Cross Ref 0 332 019 166 / MAHLE MR84

120007826 12V 4-Pin NO Relay (Non-OEM Replacement)Restore reliable switching for cooling fan, A/C clutch, lighting, horn, wipers and other circuits on vehicles that specify OE 120007826. This relay uses a 4-pin, normally open design suitable for high-current automotive loads.Key SpecificationsRated Voltage: 12 V DCContact Type: Normally Open (NO)Rated Current: 40 APins / Footprint: 4-pin micro styleOE Reference: 120007826Cross References: Bosch 0 332 019 166; MAHLE MR84 (RLPS/4-12)Installation LocationEngine-bay fuse/relay box (on Corsa E, located at the front-left of the engine compartment). Use the fuse-box lid diagram to identify the correct relay cavity.Verified Compatibility (year by year)Compatible with the following when OE 120007826 is specified—match the printed OE number and cavity layout:Opel/Vauxhall Corsa E: 2015, 2016, 2017, 2018, 2019Typical Symptoms ResolvedRadiator cooling fan not running or intermittentA/C compressor clutch fails to engageLow beams or horn inoperativeWiper operation intermittent due to relay failureComplementary PartsCompanion multi-use relay: OE 120007827 (same relay family in some adjacent slots)Fuse/relay box assemblies that reference 120007826/120007827 (replace if sockets are heat-damaged; always match OE)Note: This is a non-OEM replacement part. Confirm the OE number on your original relay and the relay cavity/footprint before installation.

• Specs & OE / Cross-Refs: 12V automotive relay, 4-pin, normally open (NO), 40A. OE 120007826; cross-ref Bosch 0 332 019 166, MAHLE MR84 (RLPS/4-12). Verify footprint and pin layout before purchase.
• Install & Operation: Mounts in the engine-bay fuse/relay box; on Corsa E this box sits at the front-left of the engine compartment. Use the lid diagram to confirm the relay cavity and OE match.
• Compatibility (by year): Compatible with Opel/Vauxhall Corsa E 2015, 2016, 2017, 2018, 2019 (vehicles that specify OE 120007826). Always match the printed OE number on your original relay.
• Functions Restored: Addresses cooling fan inoperative/intermittent, A/C clutch not engaging, low beams or horn not switching, wipers intermittent when caused by a failed multi-use relay.
• Build & Footprint: Standard micro 4-pin NO format used in GM/Opel applications that specify 120007826. Check pin orientation/tab width and seat fully for reliable contact.
• Complementary Parts (for related repairs): Companion relay OE 120007827 (same family, adjacent slots in some applications). Fuse/relay box assemblies that carry 120007826/120007827 are sometimes replaced when sockets overheat—match by OE before ordering.