Replacement Ignition Coil 12666339 UF830
IGNX No: STIC4123
OE No.:
12666339
SMP :
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UF-830 (UF830)
Product Detail
| ST NO. | Brand | OEM No. | Model(s) & Years | PINS | MODULE |
| STIC4123 | BUICK | 12666339 | BUICK LaCrosse 3.6L V6 (2017-2019) BUICK Regal Sportback 3.6L V6 (2018-2020) BUICK Blazer 3.6L V6 (2018-2020) |
4 PINS | WITH |
| CADILLAC | 12666339 | CADILLAC CTS 3.6L V6 (2016-2019) CADILLAC CT5 3.0T V6 (2020) CADILLAC CT6 3.0T V6 / 3.6L V6 (2016-2020) CADILLAC ATS 3.6L V6 (2016-2019) CADILLAC XT5 3.6L V6 (2017-2020) CADILLAC XT6 3.6L V6 (2020) |
4 PINS | WITH | |
| CHEVROLET | 12666339 | CHEVROLET CAMARO 3.6L V6 (2016-2020) CHEVROLET COLORADO 3.6L V6 (2017-2020) |
4 PINS | WITH | |
| GMC | 12666339 | GMC Canyon 3.6L V6 (2017-2022) GMC Acadia 3.6L V6 (2017-2022) |
4 PINS | WITH |
This Buick / Cadillac / Chevrolet / GMC ignition coil is supplied for the listed OE number 12666339. It features a 4 pins connector and with-module configuration, so connector layout, module structure, housing design, and mounting details are useful reference points when reviewing a replacement coil.
During product comparison, buyers can check the OE number together with connector orientation, terminal layout, plug direction, housing profile, mounting position, and overall dimensions of the original part. Reviewing several structural details together provides more reference than selecting the coil by exterior appearance alone.
Connector and Module Details to Check
Listed OE Number
Check 12666339 against the original part during sample review, quotation, catalog preparation, or order confirmation. The OE reference can be considered together with the physical structure of the coil.
4 Pins Connector
The 4 pins connector is an important matching feature. Connector shape, terminal position, locking structure, plug direction, and installation orientation can be compared with the original ignition coil.
With Module Configuration
This ignition coil is listed as with module. Module configuration can be reviewed together with connector and housing details when confirming the required replacement structure.
Electrical Structure and Inspection Focus
Ignition coil operation is related to the primary and secondary windings, internal insulation, terminals, electrical connections, and control-related components within the coil assembly. During product evaluation, these areas can be considered together with connector fit, housing condition, and installation dimensions.
Engine heat, temperature changes, vibration, and repeated electrical loading are common operating conditions for ignition components. Depending on the buyer's inspection requirements, evaluation may include connector and terminal condition, housing and assembly condition, insulation-related characteristics, and relevant electrical measurements.
Sample and Replacement Review
During sample evaluation, the replacement coil can be compared with the original part for the listed OE number, 4 pins connector, with-module structure, connector orientation, housing profile, and mounting details. Original-part photos or connector close-ups can also provide additional reference when required.
If the coil is being reviewed as part of an ignition-system check, spark plug condition, wiring, connector contact, and related electrical connections can also be considered. Product structure and inspection requirements can then be confirmed according to the specific replacement or purchasing project.
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