Door Lower Glass Left Hand for Caterpillar B Series Excavators | 1329450

Fits Models At A Glance:

• Caterpillar Excavators - B Series: 311B, 320B, 322B LN, 325B L, 330B L, 345B II, 345B L, 365B, 365B II, 385B
• Caterpillar Front Shovels: 5090B

Serial Number Notes:

• 311B: 2LS00001-UP, 8GR00001-UP, 9MR00001-UP
• 320B: 1CS00001-UP, 1XS00001-UP, 3MR00001-UP, 3YZ00001-UP, 4FS00001-UP, 4NR00001-UP, 4XW00001-UP, 5BR00001-UP, 8ES00001-UP, 9KR00001-UP
• 322B LN: 1ZS00001-UP
• 325B L: 1GS00001-UP, 1HS00001-UP, 2JR00001-UP, 4DS00001-UP, 5BS00001-UP, 5LW00001-UP, 6DN00001-UP, 7EN00001-UP, 8RR00001-UP
• 330B L: 1JS00001-UP, 1KS00001-UP, 3YR00001-UP, 3ZZ00001-UP, 4RS00001-UP, 5LS00001-UP, 6DR00001-UP, 8TR00001-UP
• 345B II: AGS00001-UP, AKJ00001-UP, AKX00001-UP, ALB00001-UP, ALD00001-UP, ALL00001-UP, CCC00001-UP, CDJ00001-UP, DCW00001-UP, DET00001-UP, FEE00001-UP
• 345B L: 2SW00001-UP, 3MW00001-UP, 4SS00001-UP, 5WS00001-UP, 7KS00001-UP, 8RW00001-UP, 9CW00001-UP, 9GS00001-UP
• 365B: 9PZ00001-UP, 9TZ00001-UP, BTH00001-UP, CFJ00001-UP, CTY00001-UP, PEG00001-UP, SDL00001-UP
• 365B II: DER00001-UP, JMB00001-UP
• 385B: ANS00001-UP, BKF00001-UP, BKX00001-UP, BLY00001-UP, CLS00001-UP, FDL00001-UP, MYA00001-UP, RCD00001-UP
• 5090B: CLD00001-UP

Key Notes:

• Part Number: 1329450 (Caterpillar reference 132-9450)
• Side Fitment: Left-Hand Cab Door, Lower Section
• Material: Light green tinted tempered safety glass
• Style/Type: 5 mm thickness
• DOT Certified: Yes
• Weight: 19.8 lbs.
• Condition: Aftermarket replacement part
• Application: Replaces the lower left cab door window on Caterpillar B Series excavators and the 5090B front shovel
• Shipping Restrictions: Ships to the lower 48 US states only
• Note: Glass only - frame, hardware, and seals are not included. Measure the opening to confirm before ordering.

Common Use Case or Symptoms:

Use when the lower door pane is cracked or crazed - it sits below the operator's eye line looking straight down at the track, so it takes direct hits from spoil and rock every time the machine repositions.

⚠ Please Inspect Glass Upon Arrival: Glass items may experience breakage during transit. Before signing the Bill of Lading, thoroughly inspect all glass shipped via LTL Truck Freight. If delivered by UPS and found broken, contact us within 48 hours of delivery. Your prompt inspection is crucial for a smooth claims process.

Why Choose Broken Tractor?

• ✅ Light Green Factory Tint: Matches the surrounding door glazing so a single replaced panel does not read differently from the rest.
• ✅ Lower Door Position: Sits below the operator's eye line where track spoil and rock strike most often, which is why this pane goes first.
• ✅ Reaches the 385B and 5090B: Covers the big machines as well as the 311B, where most suppliers split the coverage across several numbers.