No. A8, Gate 2, Wuquan Auto Parts City, Guangyuan East Road, Yuexiu District, Guangzhou +86-13430333048 [email protected]

TOYOTA High-Quality 16603-31040 Engine Idler Pulley Sub Assy

Factory Direct Wholesale | 2-Year/60,000km Warranty | OE-Spec 16603-31040 for TOYOTA

Introduction

We are a professional auto parts wholesaler, supplying TOYOTA 16603-31040 Engine Idler Pulley Sub Assy for TOYOTA Land Cruiser (2007-2021), Prado (2009-2018), Tundra (2007-2021) with 1GR-FE/3UR-FE engines. As a critical component of the engine accessory drive system, it guides and tensions the V-ribbed drive belt, ensuring smooth operation of the alternator, water pump and AC compressor, reducing belt slippage and extending belt service life.

Engineered to strict OE specifications, this idler pulley features a high-precision sealed bearing and a corrosion-resistant aluminum alloy pulley shell. It delivers direct, modification-free replacement, restoring factory-grade accessory drive performance and reducing maintenance frequency. All products are ISO 9001 certified, meeting global quality standards for wholesale distribution.

For bulk buyers, we offer competitive factory-direct pricing, flexible MOQ (starting from 50 pieces), and customized packaging/labeling services. Backed by a 2-Year/60,000km warranty, it ensures quality reliability for your wholesale business. We provide fast global batch shipping and dedicated technical support to optimize your supply chain efficiency.

Product Selling Points

√ Fit TOYOTA Land Cruiser/Prado/Tundra (1GR-FE/3UR-FE engines)

√ Sealed bearing + aluminum alloy shell: durable, low-noise & anti-corrosion

√ Direct OE replacement: one-step installation, saving labor costs

√ Wholesale: tiered pricing + customization support

√ 2-Year/60,000km warranty for worry-free purchase

Premium Wholesale Services

√ 24h dispatch for in-stock items + consolidated global shipping

√ Branded packaging + free sample service available

√ 800,000-piece annual capacity (no stock-out risks)

√ Professional technical guidance + efficient warranty support

√ Flexible payment terms (T/T, L/C, PayPal, Western Union)

Signs of a Failing Idler Pulley

Squealing noise, pulley wobble or bearing seize = replace immediately
Belt misalignment or premature belt wear = faulty idler pulley issue
Wholesale inquiries: contact for tiered pricing + full fitment list by engine code
Support long-term supply contracts + small-batch trial orders for new partners
Our idler pulleys are exported to Middle East, Africa & Southeast Asia with stable feedback