Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: is not is required copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7.ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

PAGE

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

PAGESOF

Contractor

The hour and date specified for receipt of Offers to sign this document and return

Lindsay McLaughlin

See continuation page

NPS, IMR - Arizona MABO 1824 S Thompson St, Ste 200 Flagstaff AZ 86001-2694

PIA

140P1526Q0121

08/04/2026

08/04/2026

1 6

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140P1526Q0121/0001

AMENDMENT 0001 issued due to revised specifications to include part numbers and revised price schedule.

Offeror must acknowledge Amendment with quote package.

Question due date and quote submission due date remain unchanged.

Statement of Work (SOW)

Caterpillar Engine Replacement Components

Yellowstone National Park

1. Purpose

The National Park Service (NPS), Yellowstone National Park, requires the purchase and delivery of original equipment manufacturer (OEM) engine replacement components.

Complete rebuild components for a Caterpillar 3412 engine

• Serial Number: 38S18239

• AR Number: 7W-7541

The intent of this procurement is to obtain genuine OEM components to ensure compatibility, reliability, and continued service life of the engines.

2. Scope

The Contractor shall furnish and deliver all components listed below. All parts shall be new Caterpillar OEM components unless otherwise specified under Section 5 of this Statement of Work.

Out of Frame kit contains:

o Thrust Washers STD 2 each o Main Bearing STD 7 each o Bearing Connecting Rod STD 12 each o Gasket Kit Upper 1 each o Gasket Kit Lower 1 each o Box Out Frame Kit #1 1 each

Cylinder Kit 12 each

9Y7212 piston body C/W clips 12 each 8N1608 Pin Piston 12 each 197-9322 Liner 12 each 160-9874 Liner Seal Kit 12 each 1W8922 Ring Set Piston 12 each

Part Number Description Quantity

KMP9Y7212 OFK-12 Out of Frame Kit 1 Each

See above

Out of Frame Kit includes above listed parts. Out of Frame kit must include all parts to be considered acceptable and whole

4P8495 Connecting Rod Bushing 12 Each

4N0685 Camshaft Bushing 5 Each

4N6658 Camshaft Bushing 2 Each

4W7500 Turbocharger 2 Each

141-3228 Cylinder Head (Front Left) – 3412 2 Each

6N1030 Oil Pump 1 Each

7C 0145 Oil Cooler Core 1 Each

352-0200 Water Pump 1 Each

593-7750 Thermostat, 82°C 2 Each

4W7018 Fuel Nozzle Injector 12 Each

1R1808 Engine Oil Filter 2 Each

1R0749 Fuel Filter 2 Each

261-9648 Crankshaft 1 Each

3. OEM Requirement

To reduce the possibility of premature engine failure and ensure full compatibility with the existing Caterpillar engine, all replacement components shall be genuine Caterpillar Original Equipment Manufacturer (OEM) products.

No aftermarket, third-party, or reverse-engineered replacement parts will be accepted.

4. Product Identification

All supplied components shall bear Caterpillar identification, including the Caterpillar name, trademark, or OEM labeling. Components not identified as genuine Caterpillar products shall be rejected by the Government.

5. Remanufactured Components

All replacement components shall be factory new with the exception of the following items, which may be Caterpillar Certified Remanufactured components:

• Cylinder Heads

• Engine Crankshaft

• Water Pump

Remanufactured components shall be genuine Caterpillar Certified Remanufactured products and shall meet Caterpillar factory specifications and warranty requirements.

6. Inspection and Acceptance

The Government reserves the right to inspect all delivered items upon receipt.

Acceptance will be based upon verification that:

• Correct quantities have been delivered.

• Part numbers match those specified in this Statement of Work.

• Components are genuine Caterpillar OEM products.

• Authorized remanufactured components are Caterpillar Certified Remanufactured.

• Parts are free from damage or defects.

Any nonconforming items may be rejected and returned to the Contractor at the Contractor's expense.

7. Warranty

All supplied components shall be covered by the manufacturer's standard Caterpillar warranty applicable to the supplied products.

8. Delivery Requirements:

The Contractor shall include all shipping, handling, and delivery charges in the quoted price.

Delivery shall be made to:

Yellowstone National Park 22 Stable Street Yellowstone National Park, WY 82190

Partial shipments are not acceptable unless otherwise coordinated with the Contracting Officer or designated Government representative.

Sponsored by GSA FAR (48 CFR) 53.110