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FEBEST FEBEST Belt Tensioner 1090-LY5U - Aftermarket product image1 / 2

Product overview: New aftermarket engine belt tensioner manufactured by FEBEST. Part identification: Manufacturer part number 1090-LY5U. OE /…

Product description

Product overview: New aftermarket engine belt tensioner manufactured by FEBEST. Part identification: Manufacturer part number 1090-LY5U. OE / cross-reference numbers: 12609719. Technical specifications: Brand FEBEST; condition New; quality tier New; part source Aftermarket. Vehicle compatibility: Confirmed catalog compatibility includes Buick Rainier 5.3 AWD for 2003-2004 with LH6/LM4 engines; Buick Rainier 4.2 for 2005-2007 with the LL8 engine; Cadillac Escalade 5.7 for 1999; and Cadillac Escalade 6.0 AWD for 2000. Verify the vehicle and engine before purchase.

Key details

  • Brand: FEBEST
  • Manufacturer: FEBEST
  • Condition: New / Aftermarket
  • Part Number: 1090-LY5U
  • Category: Engine
  • MOQ: 1

Vehicle compatibility

Verified fitment — high-confidence structured evidence

Compatibility table385 vehicles

YearMakeModelTrimEngine
1998CadillacEscalade5.7 AWD5733 ccm, 190 KW, 258 PS
1999CadillacEscaladeBase Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1999CadillacEscaladeBase Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1999CadillacEscaladeBase Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1999CadillacEscaladeBase Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1999CadillacEscaladeBase Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
1999CadillacEscaladeBase Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
2000CadillacEscaladeBase Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
2000CadillacEscaladeBase Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
2000CadillacEscaladeBase Sport Utility 4-Door5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated

Compatibility data comes from structured seller fitment and listing metadata. When in doubt, the OE number is the ground truth — match it against your vehicle’s parts catalog or ask our team.

Replaces or cross-references these OEM numbers

Unresolved issuer

  • 12609719

An OEM-number cross-reference does not by itself confirm fitment for every vehicle configuration. Select your vehicle or ask the seller before ordering.

Technical details

Category
Engine
Brand
Febest
Manufacturer part number
1090-LY5U
OE numbers
12609719
Condition
New
Part source
Aftermarket
Part type
Aftermarket
Brand type
Aftermarket
Category type
Engine

Photos show the actual item where provided by the seller. Report inaccurate listings to our team.

AED 118.30

New · BST

Febest Belt Tensioner 1090-LY5U | PartsBazar360