Monroe
RoadMatic Complete Strut Assembly

Monroe 181438 Suspension Strut and Coil Spring Assembly - Front Left

Brand Monroe 181438
Position Front Left
Body Length 15.24
Compressed Length 15.66
Extended Length 21.77
Gas Charged Yes
Mounting Hardware Included YES
Parts Pack P01101
Travel Length 6.11
Product line RoadMatic Complete Strut Assembly
Fits Toyota · 6 vehicles

OE specifications. Single-unit strut assembly with all required components.

Installation time reduced. No spring compressor needed for assembly.

Gas charged. Helps deliver consistent strut performance.

Cross-references Focus Auto Parts 1331588L and LS57097 for the same application. See all 2.

$135.47Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Suspension Strut and Coil Spring Assemblys are typically replaced in pairs, axle by axle.
Order total $135.47
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Monroe RoadMatic Complete Strut Assembly for Sienna

The Monroe RoadMatic Complete Strut Assembly 181438 is a front left suspension strut and coil spring assembly for 1998-2003 Toyota Sienna models. It combines the strut, mount, and coil spring in one OE-specification unit to reduce installation time and eliminate the need for a spring compressor.

Key Features

  • Fits 1998-2003 Toyota Sienna, front left
  • Complete strut and coil spring assembly for direct replacement service
  • Meets OE specifications for factory-style fit and function
  • Gas charged for consistent suspension response
  • Mounting hardware included
  • Compressed length: 15.66 in; extended length: 21.77 in; travel length: 6.11 in
  • Body length: 15.24 in

Product Details

Monroe RoadMatic Complete Strut Assembly 181438 is built for the front left corner of the Toyota Sienna and is engineered as a complete suspension strut and coil spring assembly. The RoadMatic Complete Strut Assembly line focuses on replacing the full strut module with a single preassembled unit, which helps streamline service on high-mileage vehicles and reduces the steps normally required during strut replacement. This part cross-references Monroe Shocks & Struts (e.g., LS57097) for the same application.

Common Repair Applications

  • Front-left strut noise or worn internal damping on a Toyota Sienna
  • Sagging ride height from a fatigued coil spring
  • Uneven front suspension response during braking and cornering
  • Extended service time when replacing separate strut components
  • OE-style replacement for 1998-2003 Toyota Sienna front suspension service

Installation Notes and Tips

Fits 1998-2003 Toyota Sienna, front left. Verify the vehicle year and position before installation, and confirm the existing suspension configuration matches the listed application. Because this is a complete assembly, it removes the need to transfer or compress the spring during service. Use the included mounting hardware as specified in the installation procedure and inspect related suspension components before reassembly.

Quality Assurance

Monroe RoadMatic assemblies are built to meet OE specifications and are engineered for direct-fit replacement service. Part number 181438 is listed for 1998-2003 Toyota Sienna front left applications, and the RoadMatic line is intended to simplify suspension repair with a complete preassembled unit.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2003ToyotaSiennaFront LeftIncludes Strut, Strut Mount and Coil Spring; For Commercial Usage Refer To Product Warranty; Use to depletion, then use 171438; RoadMatic Complete Strut Assembly
2002ToyotaSiennaFront LeftIncludes Strut, Strut Mount and Coil Spring; For Commercial Usage Refer To Product Warranty; Use to depletion, then use 171438; RoadMatic Complete Strut Assembly
2001ToyotaSiennaFront LeftIncludes Strut, Strut Mount and Coil Spring; For Commercial Usage Refer To Product Warranty; Use to depletion, then use 171438; RoadMatic Complete Strut Assembly
2000ToyotaSiennaFront LeftIncludes Strut, Strut Mount and Coil Spring; For Commercial Usage Refer To Product Warranty; Use to depletion, then use 171438; RoadMatic Complete Strut Assembly
1999ToyotaSiennaFront LeftIncludes Strut, Strut Mount and Coil Spring; For Commercial Usage Refer To Product Warranty; Use to depletion, then use 171438; RoadMatic Complete Strut Assembly
1998ToyotaSiennaFront LeftIncludes Strut, Strut Mount and Coil Spring; For Commercial Usage Refer To Product Warranty; Use to depletion, then use 171438; RoadMatic Complete Strut Assembly
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Focus Auto Parts — 1331588LLS57097