Hex Head SEMS Screw 6.3-1.81 x25mm 16mm OD Phosphate for GM 11500996, 12339 Bulk for Sale

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Hex Head SEMS Screw 6.3-1.81 x25mm 16mm OD Phosphate for GM 11500996, 12339 Bulk For Sale

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Hex Head SEMS Screw 6.3-1.81 x25mm 16mm OD Phosphate for GM 11500996, 12339 Bulk:
$14.39

PREMIUM AUTOMOTIVE HEX HEAD SEMS SCREWS

Auveco 12339 Hex Head SEMS Screw – M6.3-1.81 Thread Size – 25mm Length – 17mm Captive Washer Diameter.

Professional-grade automotive fastener designed for splash shields, underbody panels, wheel well liners, bumper retainers, body panel attachments, and numerous GM factory applications.

Manufactured from high-strength steel with a phosphate finish for excellent corrosion resistance and long service life. The integrated SEMS washer helps distribute load and improve holding power while simplifying installation.

Commonly found on Chevrolet, GMC, Buick, Cadillac, and Oldsmobile vehicles using OEM part numbers 11508430, 11505023, and 11500996.
If you are replacing an OEM clip and matching by part number — this cross-reference list covers all known equivalents.

📦 SPECIFICATIONS

Thread Size: M6.3-1.81 (#14)
Length: 25mm
Head Type: Hex Head SEMS
Wrench Size:10mm
Washer Diameter: 17mm
Point Type: A/AB (Self-Tapping)
Material: Steel
Finish: Phosphate
Color: Black Phosphate
Country of Origin: Taiwan

📦 PRODUCT DETAILS

Product Name:Hex Head SEMS Tapping Screw
Condition:Brand Number:A 12339
Interchange:GM, Buick, Cadillac, Chevrolet, Auveco, Shop Supplies, Clip Lizard & Pieces

⛽ IMPORTANT NOTES

Please compare your original part with our listing pictures.
Check part number and measurements before purchasing.
Minor design differences may affect fitment.
If unsure, message us — we are happy to help.

🔃 INTERCHANGE PART NUMBERS🔹 GM

11500996

11505023

11508430

🔹 Buick

11508430

🔹 Cadillac

11508430

🔹 Chevrolet

11508430

🔹 GMC

11508430

🔹 Oldsmobile

11508430

🔹 Auveco

12339

🔹 Shop Supplies

FS5955

🔹 Disco Automotive

5955

5955PK

🔹 W&E

2634

🔹 Kent / Lawson

P38617

🔹 Lawson

P38617

🔹 Clip Lizard

50233

🔹 Crest Midwest

CRX8830

🔹 Barnes Kar

CP99-8407

CP998407

🔹 NAPA

6652419

6653422

🔹 S&R

216200

🔹 Winzer

275.212

🔹 Wurth

Buick Century: 1997, 1998
Buick LeSabre: 1995, 1996, 1997, 1998, 1999
Buick Park Avenue: 1995, 1996
Buick Regal: 1995, 1996, 1997, 1998
Buick Riviera: 1995, 1996, 1997, 1998, 1999
Buick Roadmaster: 1995, 1996
Buick Skylark: 1992, 1993, 1995, 1996, 1997, 1998
Cadillac Catera: 1997, 1998, 1999, 2000, 2001
Cadillac Commercial Chassis: 1995, 1996
Cadillac DeVille: 1995, 1996, 1997, 1998, 1999
Cadillac Eldorado: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Cadillac Escalade: 1999, 2000
Cadillac Fleetwood: 1995, 1996
Cadillac Seville: 1995, 1996, 1997, 1998, 1999
Chevrolet Astro: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Chevrolet Beretta: 1990, 1991, 1992, 1993, 1994, 1995, 1996
Chevrolet Blazer: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Chevrolet C1500: 1995, 1996, 1997, 1998, 1999
Chevrolet C1500 Suburban: 1995, 1996, 1997, 1998, 1999
Chevrolet C2500: 1995, 1996, 1997, 1998, 1999, 2000
Chevrolet C2500 Suburban: 1995, 1996, 1997, 1998, 1999
Chevrolet C3500: 1995, 1996, 1997, 1998, 1999, 2000
Chevrolet Camaro: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Chevrolet Caprice: 1995, 1996
Chevrolet Cavalier: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Chevrolet Corsica: 1995, 1996
Chevrolet Corvette: 1995, 1996
Chevrolet Equinox: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Chevrolet G10: 1995
Chevrolet G20: 1995
Chevrolet G30: 1995, 1996
Chevrolet Impala: 1995, 1996, 2000, 2001
Chevrolet K1500: 1995, 1996, 1997, 1998, 1999
Chevrolet K1500 Suburban: 1995, 1996, 1997, 1998, 1999
Chevrolet K2500: 1995, 1996, 1997, 1998, 1999, 2000
Chevrolet K2500 Suburban: 1995, 1996, 1997, 1998, 1999
Chevrolet K3500: 1995, 1996, 1997, 1998, 1999, 2000
Chevrolet Lumina: 1995, 1996, 1997, 1998, 1999, 2000, 2001
Chevrolet Lumina APV: 1995, 1996
Chevrolet Monte Carlo: 1995, 1996, 1997, 1998, 1999, 2000, 2001
Chevrolet P30: 1995, 1996, 1997, 1998, 1999
Chevrolet S10: 1998, 1999, 2000, 2001, 2002, 2003, 2004
Chevrolet Tahoe: 1995, 1996, 1997, 1998, 1999, 2000
GMC G1500: 1995
GMC G2500: 1995
GMC G3500: 1995, 1996
GMC Jimmy: 1998, 1999, 2000, 2001
GMC Safari: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
GMC Sonoma: 1998, 1999, 2000, 2001, 2002, 2003, 2004
GMC Terrain: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
GMC Yukon: 1995, 1996, 1997, 1998, 1999, 2000
Oldsmobile 88: 1995, 1996, 1997, 1998, 1999
Oldsmobile 98: 1995, 1996
Oldsmobile Achieva: 1992, 1993, 1995, 1996, 1997, 1998
Oldsmobile Aurora: 1995, 1996, 1997, 1998, 1999
Oldsmobile Bravada: 1998, 1999, 2000, 2001
Oldsmobile Cutlass: 1997, 1998
Oldsmobile Cutlass Ciera: 1995, 1996
Oldsmobile Cutlass Supreme: 1995, 1996, 1997
Oldsmobile LSS: 1996, 1997, 1998, 1999
Oldsmobile Regency: 1997, 1998
Oldsmobile Silhouette: 1995, 1996
Pontiac Bonneville: 1995, 1996, 1997, 1998, 1999
Pontiac Firebird: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Pontiac Grand Am: 1995, 1996, 1997, 1998
Pontiac Grand Prix: 1995, 1996
Pontiac Sunfire: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Pontiac Trans Sport: 1995, 1996
Saturn L100: 2001, 2002
Saturn L200: 2001, 2002, 2003
Saturn L300: 2001, 2002, 2003, 2004, 2005
Saturn LS: 2000
Saturn LS1: 2000
Saturn LS2: 2000
Saturn LW1: 2000
Saturn LW2: 2000
Saturn LW200: 2001, 2002, 2003
Saturn LW300: 2001, 2002, 2003