Model Number

NP231

Vendor SKU

RTC231G-1

Application Notes

Manual Shift, 27 Spline Rear Output, Bolt On Front Output Yoke, Mechanical Speedometer, Tag Number: 15568597, Hollander Number: 412-179B, Other Numbers: UMT105-1

Product Type

Transfer Cases

NP231 Remanufactured Transfer Case for GM 1998 S10 & S15 – 27 Spline Rear Output

NP231 transfer case for 1998 GM S10 & S15. Manual shift, 27 spline rear output, bolt on front output yoke and mechanical speedometer. Confirm tag number 15568597 before ordering.

In Stock

Description

A mechanical speedometer drive helps pin this NP231 down, together with a bolt on front output yoke and a 27 spline rear output. Shift is manual, and the listing covers 1998 GM S10 and S15. One tag number applies, 15568597, with Hollander Number 412-179B, other number UMT105-1 and vendor SKU RTC231G-1. With a single model year and a single tag on file, matching that tag is the fitment check that counts.

Application notes

NV231; Manual Shift, 27 Spline Rear Output, Bolt On Front Output Yoke, Mechanical Speedometer, Tag Number: 15568597, Hollander Number: 412-179B, Other Numbers: UMT105-1.

Every transfer case we sell is fully remanufactured to meet or exceed OEM specifications. Our remanufacturing process:

Deep Clean – To start the remanufacturing process, each transfer case is fully disassembled and cleaned
Inspection – Each transfer case is carefully inspected for cracks, excessive wear, shaft warp, and chain stretch
New Components – All seals, bearings, joints and rings are replaced as well as electrical components (solenoids and control units)
Validation – After reassembly, each individual transfer case is spin tested as part of a detailed checklist validation process

Every transfer case carries a 6-month limited warranty as standard. A 7-year / 1,000,000-mile extended warranty and a core-fee waiver are available on request for qualifying remanufactured units — ask us before you order and we will confirm eligibility.

Full details: our remanufacturing process and warranty terms. As an exchange unit a refundable core charge may apply.

Call 216-250-6666 with your VIN or tag number and we will confirm this listing fits. More NP231.

Additional information

Model Number	NP231
Vendor SKU	RTC231G-1
Application Notes	Manual Shift, 27 Spline Rear Output, Bolt On Front Output Yoke, Mechanical Speedometer, Tag Number: 15568597, Hollander Number: 412-179B, Other Numbers: UMT105-1
Product Type	Transfer Cases