Is this part covered by warranty?

Yes, this Bosch Oxygen Sensor includes a 24-month limited warranty covering defects in materials and workmanship. AutoBuffy also offers 30-day hassle-free returns if the part doesn't fit your vehicle.

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$132.95

Oxygen Sensor | Bosch 15638 Fits Subaru Downstream

Name: Oxygen Sensor | Bosch 15638 Fits Subaru Downstream
Brand: Bosch
SKU: 15638
Price: 132.95 USD
Availability: OutOfStock
Rating: 4.9 (12847 reviews)

Part # 15638

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Oxygen Sensor | Bosch 15638 Fits Subaru Downstream

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Vehicle Compatibility

No compatibility data available for this part.

Specifications

Brand: Bosch

Part Number: 15638

Part Type: Oxygen Sensor

Condition: New

Gaskets Included: gasket not required

Grade Type: Standard Replacement

Housing Material: Metal

Inlet 1 Type: 1-5/8"

Inlet 2 Type: 1-5/8"

Length (Sealing Surface To End Of Connector): 17.5 in

Mounting Bracket Included: No

Mounting Type: Threaded

Over All Length: 39.25 in.

Overall Length: 18.7 IN

Oxygen Sensor Type: Narrow-band heated

Packaging Type: Unboxed

Sensor Type: Narrow-Band

Terminal Type: Pin

Thread Diameter (Oxygen Sensor): 18 mm

Wiring Harness Included: Yes

Wiring Harness Length: 15 IN

Automotive Color / Finish: Steel

Automotive Item Weight (Lbs): 0.286601 lb

Connector Gender: Female

Connector Shape: Rectangle

Heated (Oxygen Sensor): Yes

Hex Size (Oxygen Sensor): 22 mm

Large Pkg. Fee: No

Prop 65 Warning Label Required?: No

Terminal Gender: Female

Terminal Quantity: 4

Thread Size: 18

Universal Or Specific Fit: Specific

Use Davico Decarbonizing Induction Kit 1540Ea: Yes

Wire Quantity: 4

Dimensions: 5.827" × 1.969" × 2.205"

Weight: 0.337 PG

UPC/GTIN: 28851156387

Warranty: 24 Months

Frequently Asked Questions

We're always here to help. If you can't find your answer, ask Rydon - our AI assistant will help you out.

What vehicles does this Oxygen Sensor fit?

This Bosch Oxygen Sensor (Part #15638) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.

Is this an OEM or aftermarket part?

This is a premium aftermarket Oxygen Sensor by Bosch, designed to meet or exceed OEM specifications with strict quality control standards.

What warranty is included?

This Bosch Oxygen Sensor is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.

How long does shipping take?

Free standard shipping on all orders. Most orders ship within 1-2 business days and arrive within 3-5 business days.

Can I return this if it does not fit?

30-day money-back guarantee. Return unused parts in original packaging for full refund.

Product Specifications

Brand

Bosch

Part Type

Oxygen Sensor

Grade Type

Standard Replacement

Inlet 1 Type

1-5/8"

Part Number

15638

Gaskets Included

gasket not required

Housing Material

Metal

Inlet 2 Type

1-5/8"

Gaskets Includedgasket not required

Grade TypeStandard Replacement

Housing MaterialMetal

Inlet 1 Type1-5/8"

Inlet 2 Type1-5/8"

Length (Sealing Surface To End Of Connector)17.5 in

Mounting Bracket IncludedNo

Mounting TypeThreaded

Over All Length39.25 in.

Overall Length18.7 IN

Oxygen Sensor TypeNarrow-band heated

Packaging TypeUnboxed

Sensor TypeNarrow-Band

Terminal TypePin

Thread Diameter (Oxygen Sensor)18 mm

Wiring Harness IncludedYes

Wiring Harness Length15 IN

Automotive Color / FinishSteel

Automotive Item Weight (Lbs)0.286601 lb

Connector GenderFemale

Connector ShapeRectangle

Heated (Oxygen Sensor)Yes

Hex Size (Oxygen Sensor)22 mm

Large Pkg. FeeNo

Prop 65 Warning Label Required?No

Terminal GenderFemale

Terminal Quantity4

Thread Size18

Universal Or Specific FitSpecific

Use Davico Decarbonizing Induction Kit 1540EaYes

Wire Quantity4

Oxygen Sensor | Bosch 15638 Fits Subaru Downstream

Part # 15638

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Out of Stock

OE REPLACEMENT

Oxygen Sensor | Bosch 15638 Fits Subaru Downstream

Part #:15638

Oxygen Sensor

$132^.95In Stock

$165.95Save 20%

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Key Features

OEM-Equivalent QualityMeets/exceeds factory specs

American BusinessMaryland since 1986

24-Month WarrantyLimited coverage on every part

Free Same Day ShippingWe ship all orders the same business day before cutoff

Vehicle Compatibility

No compatibility data available for this part.

BrandBosch

Part Number15638

Part TypeOxygen Sensor

ConditionNew

Gaskets Includedgasket not required

Grade TypeStandard Replacement

Housing MaterialMetal

Inlet 1 Type1-5/8"

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Things to Know

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which are known to the State of California to cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts

Check if this fits your car first

Oxygen Sensor | Bosch 15638 Fits Subaru Downstream

Oxygen Sensor | Bosch 15638 Fits Subaru Downstream

Vehicle Compatibility

Specifications

Frequently Asked Questions

Product Specifications

Oxygen Sensor | Bosch 15638 Fits Subaru Downstream

Oxygen Sensor | Bosch 15638 Fits Subaru Downstream

Key Features

Vehicle Compatibility

Things to Know

24 Month Warranty

30 Day Returns

Free Same Day Shipping

About This Oxygen Sensor

Key Features

Signs This Part Needs Replacement

Bosch

Installation Guide

Tools Needed

Frequently Asked Questions